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Last release: Sep 27, 2026

Changelog

Every new tool, guide and API change, newest first. Each entry links to the thing it describes, so you can try it right away.

  • 90 new tools in September
  • 20 releases this month
  • 69 tools added to REST & MCP
  • 439 free tools in total

September 2026

Sunday
LATEST 2026-09-27 · security

Clean subtitle markup, fix overlapping cues, hash passwords with bcrypt or Argon2id, and build a CSP header

Subtitle Cleaner, Subtitle Overlap Fixer and SRT to TXT join the caption tools; the Password Hasher and the CSP Header Generator join the security tools. The security pages were checked against what their tools really do, and the fixes below are the result.

New tools 5

Guides 5

Improvements 7

  • Secure Note Sharing works across devices

  • Phone Number Validator checks lists too

  • Hash Comparison compares MD5

  • URL Safety Checker spots brand lookalikes

  • Password Breach Checker: a private path for the API

  • Phone number API validates every country

  • CSP Header Generator warns about the Google Analytics snippet

Fixes 5

  • The RSA tool says what it is

  • Security pages say what leaves your device

  • Complete meta descriptions

  • Broken FAQ and page text repaired

  • Answers no longer lose words in angle brackets

Saturday
2026-09-26 · seo

Compare two CSV exports by key, remove duplicate rows, turn SQL dumps into JSON, and three new SEO checkers

CSV Diff, CSV Dedupe and SQL to JSON join the converters; the llms.txt Generator, robots.txt Tester and XML Sitemap Validator join the SEO tools. The SEO pages were checked against what their tools really do, and the fixes below are the result.

New tools 6

Guides 6

Improvements 4

  • JSON-LD Generator: JobPosting and Course over the API

  • Domain Rating Checker says when the provider is down

  • GEO Analyzer: a clear message and a retry button

  • SEO hub in Markdown names the tools that go online

Fixes 4

  • Hreflang: x-default no longer replaces the language tag

  • GEO Analyzer over the API

  • SEO hub answers match the tools

  • Clearer tool descriptions

Friday
2026-09-25 · developers

Compare and merge .env and TOML files, turn Mac shortcuts into Windows ones, and merge contact files

Env Diff, TOML Diff and Env Merge join the developer tools; Webloc to URL, URL to Webloc and Merge VCF join the converters. The developer pages were checked against what their tools really do, and the fixes below are the result.

New tools 6

Guides 6

Improvements 5

  • jq Playground: select() works everywhere

  • Regex tester over the API: capture groups and replace

  • JSON to Form is one page

  • API and MCP health on the status page

  • Markdown versions of the site pages

Fixes 3

  • Hub counts match their pages

  • Privacy wording says what really happens

  • The MCP page counts MCP tools

Wednesday
2026-09-23 · mockups

Four new mockups, tweet threads, group chats and photos in WhatsApp

LinkedIn posts, Instagram stories, Slack-style channels and device frames join the mockup tools. The existing ones gained what people asked them for most, and every download still carries the watermark.

New tools 7

Guides 4

Improvements 6

  • Tweet threads

  • WhatsApp photo messages

  • iMessage group chats

  • ChatGPT: any model label, and an instructions notice

  • A watermark that shows on dark mockups

  • Uploads work from the keyboard

Tuesday
2026-09-22 · education

A vocabulary worksheet, quizzes with true/false and written answers, and flashcards that remember

Paste a spelling list and print a worksheet with scrambled words, missing letters, matching, a word search and tracing, answer key included. Quiz Maker takes true/false and open-ended questions, Flashcard Maker keeps your deck and what you know, the attendance register prints, and seats can be dragged.

New tools 1

Improvements 5

  • Vocabulary Worksheet

  • Quiz Maker takes three kinds of question

  • Flashcards remember what you know

  • Attendance registers print

  • Seating charts: drag names between seats

Fixes 3

  • Seating Chart Maker accepts any class list

  • Pages that described features which were not there

  • Education Suite explains how it stores your classes

Monday
2026-09-21 · documents

Markdown to HTML, RTF to Markdown, a Word comments extractor, and one converter where there had been three

Paste Markdown and get the HTML to put in a CMS field, with tables and task lists intact. Drop a legacy .rtf from WordPad or an old mail export and get editable Markdown. Drop a reviewed Word file and get every comment, author, date and the sentence it points at, as a spreadsheet.

New tools 4

Guides 3

Improvements 8

  • Markdown to HTML converts the same way everywhere

  • Link destinations are checked against a short list

  • The Markdown Previewer stopped denying its own button

  • HTML to Markdown finally links the tool it recommends

  • An Eisenhower matrix for the list that got too long

  • The spreadsheet editor does arithmetic

  • You can see which cell is selected

  • The tool counts say which list they are counting

Fixes 14

  • The spreadsheet editor now calculates its formulas

  • Formulas reach across sheets

  • The sheet tabs are where you can see them

  • A file can hold more than one sheet

  • Copy, cut and paste answer the keyboard

  • Pin the first column, fill by dragging, reorder by dragging

  • The first formula you typed had to wait for a download

  • Arrow keys now finish what you are typing and move on

  • Typing in a selected cell did nothing

  • Pasting a block into the spreadsheet kept only its last cell

  • The slide deck builder said it needed a sign-up

  • The privacy policy generator stopped calling its output compliant

  • The mind map said nothing ever left your device

  • The productivity page advertised two tools that are not on it

Sunday
2026-09-20 · subtitles

Three subtitle tools, a paycheck calculator, a Word metadata remover, and a clear-out of claims that were not true

Join subtitle files that were exported in parts, fix captions that drift after a frame-rate change, and convert the .sbv file YouTube hands you into the .srt everything else reads. A new paycheck calculator estimates US take-home pay after federal tax and FICA. The finance pages also had a clear-out of claims they could not keep.

New tools 6

Guides 8

Improvements 6

  • A Word document no longer tells people who wrote it

  • Guides for the three new subtitle tools

  • The SBA loan calculator is now an SBA calculator

  • Case Converter results are a field you can use

  • IP Address Lookup can look up an address again

  • The self-employment tax calculator has one set of tables

Fixes 12

  • The countdown timer never made a sound

  • Story Point Poker described itself as peer-to-peer

  • Tools promising exports they never had

  • A shortcut finder that named apps it had no data for

  • Two pages published without a heading

  • Mortgage calculator claimed a PMI estimate it does not make

  • The finance page promised after-tax salary figures

  • Tax rates were described as current

  • Two category pages overstated what stays on your device

  • Exchange rates page had no heading

  • A tool listed for developers that could never run

  • Tools available to code in one way but not another now say so

Saturday
2026-09-19 · calculators

Five new calculators, and the scientific calculator can do more

A calorie target, descriptive statistics, fraction arithmetic, running pace and GCD / LCM join the Calculators hub. The scientific calculator gains hyperbolic functions, a cube root and an nth root, and the body fat calculator adds the Jackson-Pollock skinfold methods.

New tools 5

Improvements 4

  • Hyperbolic functions and roots on the scientific calculator

  • Two more body fat methods

  • The API and MCP name is on the page

  • Clearer titles across the Calculators hub

Fixes 5

  • Scientific calculator function keys

  • The Calculators hub described features that did not exist

  • Tool counts matched the hub they were on

  • The developer tool catalog listed no tools

  • Duplicate entry in the tool API list

Thursday
2026-09-17 · navigation

A faster way around FindUtils

A dual sidebar with every tool in its category, one search window, saved tools and a What's new window, plus three new tools for ZIP archives, Apple property lists and Windows shortcuts.

New tools 3

Guides 4

Improvements 5

  • A dual sidebar on every page

  • One window for search and saved tools

  • A search results page

  • Learning paths on the guides page

  • What's new and the changelog, redesigned

Fixes 3

  • Search tabs show their counts before you type

  • The top bar stays put when Saved opens

  • Guide cards show their covers again

Wednesday
2026-09-16 · converters-design

Ten new tools: exports, config converters and Design

Move contacts, bookmarks and feeds between apps, convert INI, YAML, TOML and .env files, and crop images, round corners, shape easing curves and simulate color blindness.

New tools 10

Guides 21

API & MCP 6

Improvements 2

  • A new layout for every page

  • Color Palette Generator exports CSS and JSON

Fixes 1

  • Presets work over the REST API

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3 more releases