Model Context Protocol
Give your AI agent 369 tools it can call.
Hashing, conversion, DNS, dates and more, computed by the tool instead of guessed by the model. One URL, no install.
Server URL
https://mcp.findutils.com Streamable HTTP · no API key
Connect your client
Claude Code
Run this once in your terminal. The tools are then available in every new session.
$ claude mcp add findutils --transport http https://mcp.findutils.com/Check it with claude mcp list.
Claude Desktop
Add the server to claude_desktop_config.json, then restart Claude Desktop.
{
"mcpServers": {
"findutils": {
"url": "https://mcp.findutils.com/"
}
}
}Developer > Edit Config opens the file.
Cursor
Add the server to .cursor/mcp.json in your project, or to the global MCP settings.
{
"mcpServers": {
"findutils": {
"url": "https://mcp.findutils.com/"
}
}
}The tools then appear in the agent.
VS Code
Add the server to .vscode/mcp.json and start it from the MCP view.
{
"servers": {
"findutils": {
"type": "http",
"url": "https://mcp.findutils.com/"
}
}
}Agent mode in Copilot Chat calls the tools.
Windsurf
Add the server to mcp_config.json from Windsurf settings, then refresh the server list.
{
"mcpServers": {
"findutils": {
"serverUrl": "https://mcp.findutils.com/"
}
}
}Cascade lists the tools once the server connects.
Any MCP client
Point any client that speaks MCP over HTTP at the server URL.
Server URL:
https://mcp.findutils.com/
Transport: Streamable HTTP
Protocol: JSON-RPC 2.0No API key and no sign-up.
Then ask in plain language
What is the SHA-256 of “hello world”?
findutils · hash_generate
The SHA-256 hash is:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9
What your agent can do
Browse all 369-
Data Conversion 59
api_docs_generator · bookmarks_html_to_csv · bookmarks_json_to_html
-
Generators 44
barcode_generator · box_shadow_generator · caption_generator
-
Text Processing 32
bookmarks_diff · case_convert · citation_generator
-
Calculators 32
bmi_calculate · body_fat_calculator · calorie_calculator
-
Developer Tools 32
a2ui_basic_catalog · a2ui_diff · a2ui_examples
-
Finance 28
amortization_calculator · auto_loan_calculator · break_even_calculator
POST Prefer plain HTTP?
/api/tools/{id}/execute
Browse the REST catalog
- Transport Streamable HTTP
- Protocol JSON-RPC 2.0
- Batch Batch up to 50 calls
- Schema Full JSON Schema for every tool
Live usage
Aggregate, anonymous activity across the MCP server. No personal data.
369 tools ready to use
Every tool is available the moment you connect. Ask your AI to use any of them by name.
Encoding & Crypto
19
- Base32 Decode Decode RFC 4648 base32 back to UTF-8 text.
- Base64 Decode Decode a base64 string back to UTF-8 text.
- Base64 Encode Encode UTF-8 text as a base64 string.
- Color Convert Convert between color formats: hex, rgb, hsl, hsv.
- Hash Generate Hash text with MD5, SHA-1, SHA-256, or SHA-512.
- Hex Decode Decode a hexadecimal string back to UTF-8 text.
- Hex Encode Encode UTF-8 text as a hexadecimal string.
- Hmac Generate Compute an HMAC of a message with a secret key.
- Html Entity Decode Decode HTML entities back to characters.
- Html Entity Encode Encode HTML special characters as entities.
- Json Escaper Returns the text with JSON string escapes applied (mode "escape") or removed (mode "unescape").
- Morse Code Encode text to Morse code or decode it back.
- Number Base Convert Convert an integer between bases 2, 8, 10, and 16.
- Pem Decoder Parse PEM certificates, CSRs, and keys in the browser-equivalent decoder.
- Query String Stringify Serialise an object into a URL query string.
- Rot13 Apply the ROT13 Caesar cipher to text.
- String Escape Escape or unescape a string for JSON, HTML, URL, or regex contexts.
- Url Decode Decode a percent-encoded (URL-encoded) string back to plain text.
- Url Encode Percent-encode a string for safe inclusion in URLs.
Data Conversion
59
- Api Docs Generator Return API documentation generated from a list of endpoints, as Markdown (with table of contents, request/response examples)…
- Bookmarks Html To Csv Convert a browser bookmarks.html export from Chrome, Firefox, Edge, Safari or any other browser that writes the Netscape bookmark format…
- Bookmarks Json To Html Convert a bookmarks JSON file into a Netscape bookmarks.html that Chrome, Firefox, Edge and Safari import.
- Csv Dedupe Remove duplicate rows from a CSV or TSV table.
- Csv Diff Compare two CSV or TSV tables by key column and list the rows that were added, removed or changed - a table diff, not a line diff, so rows…
- Csv To Bookmarks Html Convert a CSV of links into a Netscape bookmarks.html file that Chrome, Firefox, Edge and Safari import.
- Csv To Json Parse CSV text into an array of objects keyed by the header row.
- Csv To Ndjson Convert CSV into newline-delimited JSON (NDJSON, JSON Lines, .jsonl): one JSON object per line, keyed by the header row.
- Csv To Sql Convert CSV text into SQL INSERT statements, optionally preceded by a CREATE TABLE.
- Csv To Tsv Convert comma-separated values to tab-separated values, the format spreadsheet paste, psql and mysql --batch expect.
- Csv To Vcf Convert a CSV of contacts into one multi-card .vcf file that iPhone, Android, Google Contacts and Outlook import.
- Env Yaml Converter Convert a dotenv .env file to a flat YAML map, or YAML back to KEY=value lines.
- Graphql To Typescript Convert a GraphQL SDL schema into TypeScript type definitions and return the generated code with counts of emitted types, enums, and inputs.
- Html Table To Json Convert an HTML <table> into JSON — an array of objects keyed by the header row, or an array of row arrays.
- Ini Json Converter Convert classic INI, .cfg or .conf text to JSON, or a JSON object back to INI.
- Internet Shortcuts To Csv Turn Windows Internet Shortcut files (.url) into a CSV or a plain list of URLs.
- Jq Playground Returns the result of running a jq-style filter over a JSON document.
- Json Comparer Returns a git-style line diff of two JSON documents after both are pretty-printed with 2-space indentation.
- Json Diff Returns the semantic differences between two JSON documents as a list of added, removed and modified paths with their old and new values…
- Json Faker Returns an array of fake JSON records built from a field list, for testing and prototyping.
- Json Flatten Flatten a nested JSON object into a single-level map with dot-separated keys.
- Json Format Pretty-print JSON with the requested indentation (1-8 spaces).
- Json Minifier Minify JSON to a single line with no whitespace and return the compact text plus original size, minified size (bytes), and reduction…
- Json Path Finder Returns every match of a JSONPath expression in a JSON document: the concrete path and value of each match, the match count…
- Json Query Extract a value from JSON via a dotted path.
- Json To Bootstrap Form Returns Bootstrap 5 form markup generated from a JSON form schema ({ formId?, layout?, method?, action?, fields: [...], submitText? }).
- Json To Csv Convert a JSON array of flat objects into CSV.
- Json To Go Struct Returns Go struct definitions (as source text) generated from a JSON object.
- Json To Java Class Generate Java POJO class source code from a JSON object.
- Json To Liquid Turn structured data into Shopify Liquid.
- Json To Markdown Table Convert a JSON array of objects to a GitHub-flavoured Markdown table.
- Json To Python Class Generate Python class source code from a JSON object as a dataclass, a Pydantic model, or a plain class.
- Json To React Form Return a typed React (TSX) form component generated from a JSON schema of fields — inputs, textarea, select, checkbox, radio…
- Json To Sql Convert a JSON array of objects into SQL INSERT statements, optionally preceded by a CREATE TABLE.
- Json To Tailwind Form Generate React JSX for a Tailwind CSS styled form from a JSON form schema.
- Json To Typescript Generate TypeScript interfaces or type aliases from a JSON sample.
- Json To Url Params Convert a JSON object into a URL query string that starts with "?".
- Json To Xml Convert a JSON value to XML.
- Json Unflatten Unflatten a flat key map back into nested JSON.
- Json Visualizer Return a text tree outline, structure statistics, and JSONPath list for a JSON document.
- Json Yaml Converter Convert JSON to YAML or YAML to JSON and return the converted text.
- Knap Render Render a Knap template (knap.md, the Markdown template language behind Obsidian Web Clipper and Importer) with a JSON object of variables…
- Markdown Table Generator Build a GitHub-flavoured Markdown table and return the markdown string.
- Markdown Table Parse Parse a GitHub-flavored Markdown table into structured rows: headers, column alignments, cell rows, and one record object per row.
- Mock Json Generator Generate an array of mock JSON records from a list of field definitions.
- Ndjson To Csv Convert newline-delimited JSON (NDJSON, JSON Lines, .jsonl) into a flat CSV.
- Opml To Csv Flatten an OPML subscription export (Feedly, Inoreader, NetNewsWire, podcast apps) into CSV with one row per feed: title, xml_url…
- Plist Json Converter Convert an Apple property list (Info.plist, preferences, .mobileconfig, entitlements) to JSON, or JSON to an XML plist.
- Query String Parse Parse a URL query string into an object.
- Sql To Csv Read rows out of SQL INSERT statements and return CSV, one file per table.
- Sql To Json Read rows out of SQL INSERT statements (mysqldump, SQLite dump, pg_dump made with --inserts; PostgreSQL COPY blocks are not read)…
- Swagger To Openapi Convert a Swagger 2.0 document (JSON or YAML) to OpenAPI 3.0.3 and return the result as pretty-printed JSON with path and schema counts.
- Tsv To Csv Convert tab-separated values (TSV, the format psql, mysql --batch and Excel "Text (Tab delimited)" write) to comma-separated values…
- Url Params To Json Parse URL query parameters into a JSON object.
- Url Parse Parse a URL into its components: protocol, host, port, pathname, query (as an object, repeat keys become arrays), hash, origin…
- Vcf To Csv Convert a vCard (.vcf) contacts export from an iPhone, an Android phone, Gmail or Outlook into CSV, one row per contact.
- Xml To Json Minimal XML → JSON converter.
- Yaml To Json Minimal YAML → JSON converter (scalars, maps, lists, basic block scalars).
- Yaml Toml Converter Convert YAML to TOML 1.0 or TOML back to YAML.
Text Processing
32
- Bookmarks Diff Compare two Netscape bookmarks.html exports (before and after) and list the links that were added, removed, or changed.
- Case Convert Convert a string between camelCase, PascalCase, snake_case, kebab-case, SCREAMING_SNAKE, Title Case, Sentence case, lower, UPPER.
- Citation Generator Generate a reference-list citation in APA 7, MLA 9, Chicago, or Harvard style for a book, website, journal, or article.
- Code Diff Checker Returns a line-by-line diff of two code snippets: each line marked added, removed or unchanged with its original and modified line numbers…
- Code Highlight Html Returns syntax-highlighted HTML for a code snippet: HTML-escaped text wrapped in <span style="color: ..."> elements using one of six colour…
- Dedupe Bookmarks Remove duplicate links from a Netscape bookmarks.html export (Chrome, Firefox, Edge, Safari) and return a clean bookmarks.html plus a CSV…
- Html Entity Finder Search the HTML entity catalog and return matching entities with their character, named entity, decimal code, hex code, and category.
- Html Strip Strip all HTML tags from a string, converting block tags to newlines and decoding common entities.
- Html To Markdown Convert HTML fragments to Markdown.
- Levenshtein Distance Compute the Levenshtein edit distance between two strings (minimum single-character insertions, deletions, or substitutions to transform…
- Line Dedupe Remove duplicate lines, keeping either the first or the last occurrence.
- Line Prefix Suffix Add a prefix, a suffix, or line numbers to every line of a text.
- Line Sort Sort lines alphabetically, numerically, by length, or shuffle them randomly.
- Markdown To Html Convert Markdown to HTML, including GFM tables, task lists, nested lists, strikethrough, fenced code and autolinks.
- Merge Bookmarks Merge two or more Netscape bookmarks.html exports (Chrome, Firefox, Edge, Safari) into one bookmarks.html that any browser imports.
- Palindrome Check Check if a string reads the same forwards and backwards.
- Privacy Policy Generator Generate a privacy policy in Markdown from a short questionnaire: what personal data you collect (name, email, phone, address, payment…
- Reading Time Estimate reading time for a block of text.
- Rtf To Markdown Convert Rich Text Format (.rtf) source to Markdown.
- Site To Markdown Convert a full web page's HTML into clean Markdown, the way the Site to Markdown page does: navigation, footers, scripts, styles, iframes…
- Slugify Deep Slugify text with locale-aware diacritics handling (Turkish, German, French, Spanish) before falling back to Unicode NFD stripping.
- Text Diff Line-by-line diff of two strings using LCS.
- Text Find Replace Find and replace text and return the new text with the match and replacement counts.
- Text Repeat Repeat text N times with an optional separator.
- Text Reverse Reverse text by characters, words, or lines.
- Text Statistics Compute detailed text statistics: characters (with and without spaces), words, sentences, paragraphs, averages, plus Flesch Reading Ease…
- Text Summarizer Create an extractive summary of a text and return the summary with word and sentence statistics.
- Text Truncate Truncate text to a maximum number of characters, or of words, optionally cutting at the last word boundary, with a suffix.
- Tone Analyzer Analyze the emotional tone of English text with a rule-based word dictionary and return tone scores (joy, sadness, anger, fear, confidence…
- Whitespace Clean Clean whitespace in text: trim the ends, trim each line, collapse runs of spaces, remove blank lines, and normalize line endings.
- Word Count Count words, characters, sentences, paragraphs, lines, and estimated reading time at 200 words per minute.
- Yoyo Loading State Builder Build Yoyo PHP "yoyo:spinning" loading-state attributes and a ready-to-paste HTML snippet.
Date & Time
11
- Age Calculate Calculate age from a date of birth — years, months, days, plus totals in days, weeks, and months.
- Career Experience Calculator Calculate total professional experience across several jobs: total days, years/months/days, weeks, working days (5/7), working hours (8 per…
- Country Lookup Return country facts — capital, currency (name, code, symbol), phone code, timezone, region, subregion, flag emoji, and languages…
- Cron Describe Parse a 5-field cron expression (minute hour day-of-month month day-of-week) and produce a human-readable English description.
- Cron To Systemd Convert a 5-field cron expression into a systemd timer plus service unit and a Kubernetes CronJob YAML file.
- Date Difference Compute the difference between two dates in years/months/weeks/days/hours/minutes/seconds.
- Relationship Calculator Calculate how long a relationship has lasted between a start date and a target date: years/months/days, totals in days, weeks, months…
- Time Difference Work out how long there is between two times of day, with no dates involved.
- Timezone Convert Convert a datetime between IANA time zones.
- Unix Timestamp Convert Convert between Unix timestamps and ISO dates.
- Work Anniversary Calculator Calculate job tenure between a start date and a target date: years/months/days, totals in days, weeks, months, and hours, approximate…
Calculators
32
- Bmi Calculate Compute Body Mass Index (BMI) with metric (kg/cm) or imperial (lb/in) units.
- Body Fat Calculator Estimate body fat percentage, fat mass, lean mass, BMI, and a body-composition category.
- Calorie Calculator Work out how many calories to eat per day to lose, maintain, or gain weight.
- Carbon Footprint Calculator Estimate an annual personal carbon footprint in tonnes of CO2 from home energy, transportation, and lifestyle, with a per-category…
- Chmod Calculate Convert between numeric (755) and symbolic (rwxr-xr-x) Unix file permissions.
- Cloudflare Cost Calculate Estimate monthly Cloudflare developer platform costs (Workers, D1, R2, KV, Durable Objects) under free or $5 Workers Paid plans.
- Daily Habit Calculator Calculate how a daily habit adds up over a week, a month (30 days), a year (365 days), or a custom date range: total units, total cost…
- Fraction Calculator Add, subtract, multiply or divide two fractions, or simplify one.
- Gcd Calculate Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two non-negative integers.
- Images To Pdf Combine JPG and PNG images into a single PDF, one image per page, in the order given.
- Llm Requirements Calculator Estimate the VRAM, system RAM, and disk space needed to run an open-weight LLM locally, and which common GPUs and Macs it fits on.
- Macro Calculator Calculate daily calorie needs and a macronutrient split (protein, carbs, fat in grams and kcal) for weight loss, maintenance, or muscle…
- Merge Vcf Combine several .vcf vCard files into one importable file.
- One Rep Max Calculator Estimate a one-rep max (1RM) from a weight lifted for a number of reps, using Brzycki, Epley, Lander, Lombardi, Mayhew, O'Conner…
- Pace Calculator Running pace calculator.
- Percentage Calculate Percentage math.
- Prime Check Check whether an integer is prime.
- Random Number Generate cryptographically-random integers or floats in a range.
- Roman Numeral Convert between Roman numerals and Arabic integers (1-3999).
- Scientific Calculator Evaluate a scientific math expression and return the numeric result (12 significant digits).
- Sleep Calculator Calculate the best bedtimes for a wake-up time, or the best wake-up times for a bedtime, based on 90-minute sleep cycles plus 15 minutes…
- Statistics Calculator Descriptive statistics for a list of numbers: count, sum, mean, median, mode, min, max, range, variance, standard deviation…
- Stock Average Calculator Return the average cost per share (dollar cost averaging) across several buys, the total shares, total invested, break-even price…
- Tdee Calculator Calculate Total Daily Energy Expenditure (TDEE) and Basal Metabolic Rate (BMR) with the Mifflin-St Jeor equation, plus calorie targets…
- Temperature Convert Convert temperature between Celsius (C), Fahrenheit (F), Kelvin (K), and Rankine (R).
- Template To Liquid Convert a Handlebars, Mustache or Knap template into Shopify Liquid.
- Timesheet Calculator Return total, regular, and overtime hours plus regular, overtime, and total pay for a list of work entries (start time, end time, break).
- Tip Calculate Calculate tip amount, total, and per-person split.
- Unit Convert Convert between length, weight, volume, area, speed, and temperature units (km/mi/m/ft, kg/lb, L/gal, m²/ha/acre, mph/kph/knot, °C/°F/K).
- Url To Webloc Convert Windows .url Internet Shortcuts into Mac .webloc website location files.
- Water Intake Calculator Calculate a recommended daily water intake in liters, ounces, cups, and 250 ml glasses, plus a per-waking-hour amount.
- Webloc To Url Convert Mac .webloc website shortcuts into Windows .url Internet Shortcuts.
Finance
28
- Amortization Calculator Return a full loan amortization schedule (one row per month with payment, principal, interest, extra payment, balance) plus totals…
- Auto Loan Calculator Return the monthly car payment, total interest, financed amount, and a month-by-month amortization schedule for an auto loan.
- Break Even Calculator Return the break-even point of a product or business: contribution margin, contribution margin ratio, break-even units and revenue…
- Business Loan Calculator Return the monthly payment, total interest, origination fee, effective yearly rate (interest plus fees), a yearly summary, and a full…
- Compound Interest Compute compound interest growth.
- Credit Card Payoff Calculator Return how long a credit card balance takes to pay off at a fixed monthly payment (mode "payment"), or the payment needed to clear it…
- Credit Card Validate Validate a credit card number with the Luhn checksum and detect the brand.
- Debt Payoff Calculator Return a debt payoff plan for several debts using the avalanche (highest rate first) or snowball (lowest balance first) strategy: total…
- Dividend Calculator Return a year-by-year projection of a dividend portfolio: dividends received, DRIP reinvestment, contributions, share count, share price…
- Down Payment Calculator Return the down payment, closing costs, total cash needed, remaining amount to save, months to save, target month, loan amount…
- Fire Calculator Return the FIRE number (annual expenses / withdrawal rate), years to reach it, FIRE age, progress percent, monthly investment…
- Home Affordability Calculator Return the maximum home price you can afford from income, monthly debts, down payment percent, rate, term, property tax, insurance, HOA…
- Inflation Calculator Return what an amount of money from one year is worth in another year using historical CPI data, with total inflation, average yearly…
- Investment Calculator Return the projected value of an investment with compound growth and monthly contributions: final balance, total contributions, total…
- Kktc Exchange Rates Return live buy and sell exchange rates (against Turkish lira) from Northern Cyprus (KKTC) exchange offices and banks, per currency…
- Loan Calculate Amortise a fixed-rate loan and show the impact of an optional monthly extra payment on payoff time and total interest.
- Mortgage Calculate Compute a fixed-rate mortgage monthly payment using the standard amortisation formula M = P·r(1+r)^n / ((1+r)^n - 1).
- Net Worth Calculator Return net worth (total assets minus total liabilities), the debt-to-asset ratio in percent, and subtotals per category.
- Paycheck Calculator Estimate United States take-home pay from a gross salary: federal income tax using the published bracket tables and the standard deduction…
- Profit Margin Calculator Return cost, selling price, profit, profit margin (percent of price), and markup (percent of cost).
- Refinance Calculator Return the new monthly payment, monthly savings, total cost of the current vs the new loan, total savings, break-even month, and whether…
- Retirement Calculator Return the projected savings at retirement, the amount needed to fund an inflation-adjusted monthly income until life expectancy, the gap…
- Roi Calculator Return the return on investment: total invested (amount plus extra costs), net gain, simple ROI percent, annualized ROI percent, years…
- Salary Calculator Return the same pay expressed as hourly, daily, weekly, bi-weekly, semi-monthly, monthly, and yearly amounts.
- Savings Calculator Return the future value of savings with compound interest and monthly contributions: total value, total contributions, total interest…
- Self Employment Tax Calculator Return the yearly self-employment tax bill for the USA (SE tax: Social Security, Medicare, additional Medicare, plus federal income tax)…
- Travel Budget Calculator Estimate a trip budget from per-day and one-off expenses: total per person, total for all travelers, daily spend, and a per-category…
- Vat Calculator Return the net amount, the VAT (or sales tax) amount, and the gross amount for a price.
Generators
44
- Barcode Generator Generate a 1D barcode as an SVG string from text.
- Box Shadow Generator Generate a CSS box-shadow declaration from offset, blur, spread, colour, opacity, and inset settings, or from a named preset (subtle, soft…
- Caption Generator Generate a social-media caption from a topic using built-in templates (no AI): picks a template for the content type and tone, fills…
- Clip Path Generator Generate a CSS clip-path from a named shape (triangle, trapezoid, parallelogram, rhombus, pentagon, hexagon, octagon, star, chevron…
- Color Palette Generator Generate a harmonious colour palette from a base hex colour: complementary, analogous, triadic, tetradic, split-complementary…
- Css Animation Generator Return CSS @keyframes animation code (or Tailwind config, Web Animations API / React, or Framer Motion code) from a named preset such…
- Css Filter Generator Generate a CSS filter declaration from brightness, contrast, saturate, grayscale, sepia, invert, opacity, blur and hue-rotate…
- Css Grid Generator Generate a CSS Grid container declaration.
- Email Signature Generator Generate an HTML email signature (table-based, inline styles, safe for Gmail/Outlook) from name, title, company, contact details and social…
- Glassmorphism Generator Generate the CSS for a glassmorphism (frosted glass) card: semi-transparent background, backdrop-filter blur and saturation (with…
- Gradient Generator Generate a CSS linear, radial, or conic gradient from colour stops (2 to 10) and an angle, or from a preset (sunset, ocean, forest, fire…
- Hashtag Generator Generate relevant hashtags from keywords using a built-in, rule-based database (no AI): matches keywords against topic categories, scores…
- Json To Chart Render a bar, line, or pie chart as an SVG string from JSON data of the form {"title","type","data":[{"label","value","color?"}]}.
- Json To Email Template Generate a responsive, table-based HTML email (header, greeting, body paragraphs, button, footer, unsubscribe link) from JSON such…
- Json To Org Chart Generate nested HTML for an organisation chart from JSON of the form {"title","root":{"name","title","avatar","children":[...]}}.
- Json To Pricing Table Generate the HTML for a pricing table (div.pricing-container with .pricing-card/.plan-features classes) from JSON of the form…
- Json To Product Card Generate an e-commerce product card from JSON such as {"name","price","originalPrice","currency","rating","reviews","badges"} in one of 6…
- Json To Profile Card Generate a profile card for team pages and portfolios from JSON such as {"name","title","company","location","email","bio","skills"…
- Json To Readme Generate a README.md (title, shields.io badges, description, demo/docs links, features, installation, usage, contributing, author, license)…
- Json To Social Card Generate a social-media / Open Graph card (1200x630 aspect) from JSON such as {"title","description","author","date","siteName","tag"…
- Json To Testimonial Card Generate a testimonial / review card from JSON such as {"quote","author","title","company","rating","date","highlighted"} in one of 6…
- Json To Timeline Generate the HTML for a timeline (div.timeline with .timeline-event/.event-marker/.event-content classes) from JSON of the form…
- Linkedin Post Generator Assemble a LinkedIn post from a hook, a body, a call to action and hashtags, or from one of seven built-in templates (thought leadership…
- Lorem Ipsum Generate Generate Lorem Ipsum placeholder text: words, sentences, or paragraphs.
- Math Formula Templates Return LaTeX source for well-known math and physics formulas from the built-in template library of the math expression generator page (40+…
- Nanoid Generate Generate one or more NanoID-style identifiers.
- Neumorphism Generator Generate soft-UI (neumorphism) CSS from a single surface colour.
- Placeholder Image Generator Generate a placeholder image as an SVG string: a solid background with centred bold text (the dimensions by default, or custom text)…
- Qr Text Generate a scannable QR code as text art.
- Random Name Picker Pick a random winner from a list of names.
- Random Picker Generate random numbers, pick random items from a list, or split people into random teams.
- Signature Generator Generate a typed signature as an SVG string: the name is set in a handwriting font (cursive, elegant, bold, or casual) in the chosen colour…
- Social Media Bio Generator Compose a social-media profile bio from a profession, skills, an achievement, a location and a call to action in one of five styles…
- Svg Animation Generator Return an animated SVG (inline CSS @keyframes) and/or the CSS alone, built from a shape template (rect, circle, star, stick figure, sun…)…
- Text Shadow Generator Generate a CSS text-shadow declaration from offset, blur, colour and opacity, or from a named preset (subtle, hard, glow, outline, emboss…
- Thread Generator Build a numbered Twitter/X thread from a list of tweets, or split long-form text into tweets of at most 280 characters.
- Type Scale Generator Generate a modular type scale as CSS custom properties.
- Ulid Generate Generate one or more ULIDs — 26-character Crockford base32 identifiers that are lexicographically sortable by creation time.
- Uuid Generate Generate one or more UUIDs: random v4 (default), time-ordered v7 (RFC 9562), time-based v1 (RFC 4122, with a random node id rather than…
- Vcard Generate Generate a vCard (.vcf) contact card from name, organisation, emails, phones, address, URL, note and birthday.
- X402 Config Generator Return ready-to-paste x402 payment integration code plus the install command: a paywalled SERVER (Express, Hono, Next.js, Fastify, Gin…
- Youtube Description Generator Assemble a structured YouTube video description from main content, timestamps, links, social links, a call to action and hashtags…
- Yoyo Component Generator Generate Yoyo PHP component boilerplate: the PHP class (properties, props, query string, listeners, lifecycle hooks, actions, computed…
- Yoyo Config Generator Generate Yoyo PHP framework setup code: the composer install command, the bootstrap/service-provider code, the route handler, and a sample…
Validation
10
- Email Validate Validate an email address and report every rule it breaks and break it into local / domain / TLD parts.
- Html Formatter Format (beautify) or minify HTML and return the result with a tag-balance validation report.
- Json Validate Validate a JSON string.
- Openapi Validator Validate an OpenAPI 3.x (or Swagger 2.0) document given as JSON or YAML and return a report with errors, warnings, and summary info (title…
- Phone Format Validate a phone number and format it as E.164 (+CCNNN…), international and national, using libphonenumber metadata for every country.
- State Machine Designer Validate a finite state machine given as nodes and edges and return a normalized machine config plus issues.
- Url Validate Validate that a string is a well-formed URL and (optionally) require HTTPS.
- Wvw Apps Json Generator Build and validate an apps.json manifest for wvw.dev (World Vibe Web) from a store object and a list of apps.
- Xml Formatter Beautify or minify an XML document and return the formatted text.
- Yaml Validator Validate YAML and return either the re-formatted document or the parse error with its line and column.
Security
17
- Base32 Encode Encode UTF-8 text to RFC 4648 base32 (uppercase, "=" padding).
- Csp Generate Build a Content-Security-Policy header from a preset (strict, typical, google-analytics) and/or your own directives, and get the header…
- Data Sanitizer Sanitize untrusted text and return the cleaned output, a list of changes made, and a risk level.
- Dnpm Configurator Returns the five files of a hardened Docker-based npm wrapper (the ./dnpm bash script, .dnpm/Dockerfile, docker-compose.node.yml…
- Email Header Analyzer Return a structured analysis of raw email headers: sender, recipient, subject, date, message id, the Received hop chain with per-hop…
- Hash Comparison Tool Hash text with MD5, SHA-1, SHA-256, SHA-384, or SHA-512 and compare the hex digest with an expected hash.
- Password Breach Checker Return whether a password appears in known data breaches and how many times, using the Have I Been Pwned k-anonymity range API.
- Password Generate Generate cryptographically-strong passwords.
- Password Pattern Validator Validate a password against configurable rules and return each check (pass/fail with severity), a 0-100 score, and a strength label.
- Password Strength Estimate password strength using character-class entropy.
- Pgp Encryption Tool Encrypt or decrypt a short message with RSA-OAEP (SHA-256) PEM keys, or generate a new RSA key pair.
- Random Key Generator Generate cryptographically random keys (API keys, tokens, secrets) and return them as a list of strings.
- Random String Generate cryptographically-random strings from a chosen charset.
- Text Encryption Encrypt text with a password using AES-256-GCM (key derived with PBKDF2-SHA256, 100000 iterations) and return a base64 ciphertext…
- Two Fa Code Tester Compute the current TOTP code (RFC 6238) for a base32 secret and return the code, the seconds remaining in the window, and — when a code is…
- Url Safety Checker Run offline heuristic safety checks on a URL and return a risk level (low/medium/high), a 0+ risk score, per-check results, and warnings.
- Windows Update Settings Generator Generate a Windows Update configuration script (.reg, .ps1, or .bat) plus a matching restore script from a preset and/or individual…
Network
18
- Cidr Calculate Compute network / broadcast / first-last host / subnet mask / hosts count for a CIDR (e.g.
- Cookie Analyzer Analyze Set-Cookie header strings and return a per-cookie list of security issues, an overall 0-100 score, and recommendations.
- Curl To Code Returns source code that performs the same HTTP request as a cURL command, in JavaScript (fetch), Python (requests), PHP (cURL), Go…
- Dns Lookup Return the DNS records of a domain for one record type (A, AAAA, CNAME, MX, TXT, NS or SOA).
- Dns Security Scanner Return a DNS security report for a domain: SPF, DMARC, MX and CAA records with issues, a 0-100 score, a letter grade and recommendations.
- Email Security Checker Return an email-security report for the domain of an email address: MX, SPF, DKIM (common selectors), DMARC, MTA-STS, TLS-RPT and BIMI…
- Har To Curl Convert a HAR (HTTP Archive) file into curl commands, one per recorded request, and return them as a script plus a per-request list.
- Har Viewer Parse HAR 1.x JSON and return each entry’s method, URL, status, size, time, and MIME type.
- Http Status Code Lookup Return the meaning, typical use case and fix for HTTP status codes.
- Ip Blacklist Checker Return whether an IPv4 address is listed on 12 well-known DNS blacklists (Spamhaus, Barracuda, SpamCop, SORBS, UCEPROTECT, PSBL and more)…
- Ip Validate Validate an IPv4 or IPv6 address and classify it (public / private / loopback / link-local / multicast / global).
- Mime Type Finder Return MIME types with their file extensions and descriptions.
- Port Reference Guide Return well-known network ports that match a port number, service name, protocol, or category, with a security note (safe / caution /…
- Postman To Curl Convert a Postman collection (v2.x JSON) into curl commands, one per request, and return them as a script plus a per-request list.
- Security Headers Analyzer Grade a set of HTTP response headers for security: returns a 0-100 score, a letter grade (A+ to F), a pass/fail/warning summary…
- Ssl Certificate Checker Return the TLS certificate details of a public hostname: validity, issuer, subject, expiry and days remaining, protocol, key size…
- Subnet Calculator Return the full IPv4 subnet breakdown for an address: network and broadcast address, subnet mask, wildcard mask, binary mask, first…
- Whois Lookup Return WHOIS-style registration data for a domain from the public RDAP service: registrar, creation, update and expiry dates, EPP status…
SEO
28
- Bot Crawl Checker Return which of 24 well-known crawlers (Googlebot, BingBot, GPTBot, ClaudeBot, PerplexityBot, AhrefsBot, Twitterbot and more) are allowed…
- Domain Rating Checker Return the Ahrefs Domain Rating (0-100) for up to 25 domains in one call, with a per-domain status (provider_unavailable means Ahrefs is…
- Faq Schema Generator Generate FAQPage JSON-LD structured data from question-answer pairs, and return the JSON-LD string, a ready <script> tag, the schema…
- Form To Json Schema Returns a form schema object ({ formId, method, action, fields, submitText }) extracted from HTML form markup.
- Geo Analyzer Return a Generative Engine Optimization (GEO) report for a public web page: an overall 0-100 score, per-category scores (technical…
- Graphql Playground Check a GraphQL query for balanced braces and, when a schema is supplied, unknown fields on Query/Mutation/Subscription types.
- Graphql Schema Validator Validate a GraphQL SDL schema and return errors, naming-convention warnings, and counts of types, queries, mutations, and subscriptions.
- Heading Structure Analyzer Analyze the H1-H6 heading hierarchy of an HTML document and return every heading, SEO warnings (missing or multiple H1, skipped levels…
- Hreflang Tag Generator Generate hreflang annotations for multilingual pages and return them as HTML <link> tags, an HTTP Link header, and an XML sitemap block…
- Json Ld Generator Generate JSON-LD structured data for 14 schema.org types (Article, BlogPosting, Product, Organization, LocalBusiness, Person, Event…
- Json Schema Form Builder Returns a form schema object (formId, method, action, fields, submitText) built from a list of field definitions.
- Json Schema Generator Returns a JSON Schema (draft-07) object inferred from a sample JSON document.
- Json Schema Validator Returns whether a JSON document is valid against a JSON Schema (draft-07 subset) and lists every violation with its JSON pointer path…
- Json To Html Form Returns clean HTML5 form markup generated from a JSON form schema ({ formId?, formClass?, method?, action?, fields: [...], submitText? }).
- Json To Zod Schema Generate a Zod validation schema (TypeScript source) from a JSON sample.
- Keyword Density Checker Analyze keyword density in text and return word/sentence/paragraph counts, the top 1-gram, 2-gram, and 3-gram phrases with counts…
- Llms Txt Generate Build an llms.txt file (llmstxt.org format): an H1 site name, a blockquote summary, optional prose, H2 sections of "- [title](url)…
- Meta Tag Generator Generate HTML <head> meta tags (title, description, keywords, robots, canonical, Open Graph, Twitter Card, viewport, charset, language)…
- Open Graph Preview Extract Open Graph and Twitter Card tags from an HTML document (or take them as fields), and return the parsed values, validation issues…
- Robots Txt Generator Return a robots.txt file built from user-agent rules (allow, disallow, crawl-delay), sitemap URLs and an optional Host directive…
- Robots Txt Tester Test URLs or paths against robots.txt text for a given crawler, following RFC 9309 as Google implements it: the group naming the crawler's…
- Schema Org Generator Superseded by json_ld_generator, which builds these 8 types and 6 more with the same output; this id stays so existing callers keep working.
- Seo Title Description Writer Analyze an SEO title and meta description and return character counts, estimated SERP pixel widths against Google desktop/mobile limits…
- Serp Preview Return how a page title and meta description will display in Google search results on desktop or mobile: the truncated display text…
- Sitemap Validator Validate sitemap XML text against the sitemaps.org protocol: well-formed XML, <urlset> or <sitemapindex> and its namespace, absolute…
- Slug Generate Turn a string into a URL-safe slug (kebab-case by default, Unicode-normalized).
- Structured Data Tester Validate JSON-LD structured data (given directly or extracted from HTML <script type="application/ld+json"> blocks) and return, per…
- Xml Sitemap Generator Generate a valid XML sitemap from a list of URLs and return the XML, the number of URLs written, the invalid URLs that were skipped…
Education
16
- Attendance Sheet Generator Generate a blank attendance sheet for a list of students over consecutive days and return the date columns, a CSV, a Markdown table…
- Course Quiz Generator Build a printable course quiz from a list of questions (multiple choice, true/false, short answer, fill in the blank) and return…
- Essay Outline Generator Generate a structured essay outline (introduction, body paragraphs, conclusion) for five essay types and three lengths, and return each…
- Flashcard Maker Turn a list of front/back pairs into a flashcard deck and return the numbered cards plus ready-to-import formats: CSV (Front,Back)…
- Gpa Calculator Calculate a grade point average (GPA) on the 4.0 scale from course letter grades and credits.
- Grade Calculator Calculate a weighted course grade from categories (homework, quizzes, exams) with assignment scores, the letter grade (A to F)…
- Lesson Plan Template Fill a structured lesson plan template (header, learning objectives, materials, timed activities, assessment, homework, notes) and return…
- Quiz Maker Build a quiz from multiple-choice, true/false and open-ended questions and return the numbered quiz, an answer key (with model answers…
- Readability Calculator Compute six readability scores for English text (Flesch Reading Ease, Flesch-Kincaid Grade, Gunning Fog, SMOG, Coleman-Liau, Automated…
- Report Card Generator Generate a report card from a list of subjects with letter grades and credits and return the credit-weighted GPA on a 4.0 scale…
- Research Title Generator Generate up to 20 academic research paper titles from a topic, field, variables, population, and research type, and return each title…
- Rubric Generator Build a grading rubric from weighted criteria and performance levels and return the rubric grid, the total weight (with a flag when it is…
- Seating Chart Maker Assign students to a rows × columns seating grid (in list order, or shuffled) and return the grid, each student's row/column/seat number…
- Thesis Statement Generator Generate up to 5 thesis statement variations from a topic, a position, and optional supporting reasons for four essay types, and return…
- Vocabulary Worksheet Turn a word list into a printable vocabulary and spelling worksheet with an answer key.
- Worksheet Generator Generate a printable math worksheet of addition, subtraction, multiplication, division, or mixed problems at easy (1–10), medium (1–50)…
Productivity
14
- Client Status Report Generator Generate a client-facing project status report in Markdown and return it with its headline counts.
- Csv To Ics Turn a CSV of events into an iCalendar (.ics) file that Google Calendar, Apple Calendar and Outlook import.
- Dev Request Prioritizer Prioritize development requests with the page's scoring frameworks and return them sorted by priority score, each with a value score…
- Eisenhower Matrix Sort tasks into the four Eisenhower quadrants and say what to do with each one.
- Ics To Csv Convert an iCalendar (.ics) export from Google Calendar, Apple Calendar or Outlook into CSV, one row per event.
- Ics To Json Parse an iCalendar (.ics) export from Google Calendar, Apple Calendar or Outlook into JSON: one object per event with uid, summary…
- Keyboard Shortcut Finder Return keyboard shortcuts (Mac and Windows keys) that match a search query, app, or category.
- Merge Ics Merge several iCalendar (.ics) exports into one calendar file for a single import or archive.
- Retro Meeting Turn a finished sprint-retrospective board into shareable results: a Markdown summary grouped by category with items sorted by votes, a CSV…
- Scope Creep Tracker Measure scope creep on a project and return the numbers a stakeholder report needs: original (baseline) effort, approved / pending /…
- Social Media Calendar Generator Turn a list of planned social media posts into a content calendar: a CSV export (Date, Time, Platform, Content Type, Title, Description…
- Split Ics Split one large iCalendar (.ics) file into smaller .ics files so an importer that rejects a big calendar accepts each part.
- Sprint Capacity Calculator Calculate a team's realistic sprint capacity in hours and story points.
- Tech Debt Register Analyze a technical debt register and return the stakeholder numbers: active vs resolved counts, total hours to fix, weekly "interest" cost…
Documents
9
- Invoice Generate Generate a professional PDF invoice.
- Pdf Delete Pages Remove pages from a PDF and return the rest in their original order.
- Pdf Merge Combine several PDFs into one, in the order given.
- Pdf Organize Reorder the pages of a PDF.
- Pdf Page Numbers Add page numbers to a PDF.
- Pdf Rotate Rotate pages of a PDF by 90, 180 or 270 degrees clockwise, or the negative of those for anticlockwise.
- Pdf Split Take a selection of pages out of a PDF into a new one.
- Pdf Watermark Stamp text across the pages of a PDF — CONFIDENTIAL, DRAFT, a company name.
- Purchase Order Generator Return a purchase order as structured data and as Markdown text: line items with amounts, subtotal, tax, shipping, and total, plus company…
Developer Tools
32
- A2ui Basic Catalog Returns the authoritative basic-catalog JSON Schema (components, functions, theme) for the requested A2UI version.
- A2ui Diff Computes a structural diff between two A2UI JSONL payloads: surfaces added/removed, components added/removed/changed (by id), data-model…
- A2ui Examples Returns one or more canonical A2UI JSONL examples matching a pattern (form, list, wizard, modal, chat, dashboard, checkout, typeahead…
- A2ui Prompt Generates a drop-in LLM system prompt that teaches the model to output valid A2UI JSONL: includes the basic-catalog component / function…
- A2ui Spec Returns A2UI protocol documentation for a given spec version and section.
- A2ui Validate Validates a JSONL A2UI payload against the basic catalog (or a custom catalog) and returns any errors, warnings, or info messages…
- Ai Model Picker Return the best-matching AI coding models (top 3 by default) for a project, scored on speed, accuracy, cost and context window from four…
- Aspect Ratio Compute the aspect ratio of width:height.
- Color Contrast Compute the WCAG 2.1 contrast ratio between two colours (accepts #rgb, #rrggbb, and rgb()/rgba() formats) and report whether it passes…
- Crypto Testnet Faucets Returns a curated list of crypto testnet faucets (Ethereum Sepolia, Base, Arbitrum, Optimism, Polygon, Avalanche, BNB Chain, Linea, Solana)…
- Css Minifier Minify CSS (strip comments and whitespace) or beautify compressed CSS, and return the output with byte sizes and the percentage saved.
- Env Linter Lint a dotenv file for duplicate keys, unquoted spaces, export prefixes, secret-looking values (masked), and drift against an optional…
- Font Icon Search Search a catalog of about 300 icons from Font Awesome, Material Icons, Lucide, and Heroicons by name, keyword, or category and return…
- Glob Pattern Tester Returns which file paths match a glob pattern and which do not.
- Jwt Decode Decode a JWT header + payload.
- Jwt Generator Generate a signed JWT (HS256, HS384, or HS512 via HMAC) and return the token plus the decoded header and payload.
- Jwt Security Validator Decode a JWT and return a list of security checks (algorithm strength, expiration, not-before, issued-at, issuer, audience, subject…
- Pdf Extract PDF Text Extractor.
- Privacy Policy Checker Check a privacy policy text for 24 expected disclosures and return a 0-100 completeness score, each check with found/missing and severity…
- Regex Test Test a JavaScript regular expression against input text.
- Sql Formatter Format (beautify) or minify a SQL query and return the result with lint warnings.
- Tailwind To Stylex Convert Tailwind CSS v4 theme variables, JSON design tokens, or a static Tailwind config theme into StyleX defineConsts source…
- Workflow Run Execute a linear chain of MCP tool calls in one round-trip.
- Ass To Srt Flatten an Advanced SubStation Alpha (.ass) or SubStation Alpha (.ssa) subtitle script to plain SubRip (.srt).
- Sbv To Srt Convert a YouTube SubViewer (.sbv) caption export to SubRip (.srt), or back again.
- Srt To Txt Turn a SubRip (.srt) or WebVTT (.vtt) caption file into a plain-text transcript: cue numbers and timestamps are removed and the cue text is…
- Srt To Vtt Convert SubRip (.srt) captions to WebVTT (.vtt) and back.
- Subtitle Clean Clean the text of a SubRip (.srt) or WebVTT (.vtt) caption file without touching its timing: strip HTML tags such as <i> and <font>…
- Subtitle Fps Convert Rescale every cue in a SubRip (.srt) or WebVTT (.vtt) caption file from one frame rate to another, so a track that slowly drifts out…
- Subtitle Merge Join several SubRip (.srt) or WebVTT (.vtt) caption files into one track.
- Subtitle Overlap Fix Fix overlapping cues in a SubRip (.srt) or WebVTT (.vtt) caption file, the kind a merge, shift or frame-rate change leaves behind and that…
- Subtitle Shift Shift every cue in a SubRip (.srt) or WebVTT (.vtt) caption file by one fixed offset, so a track that runs early or late lines up…
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