SQL Formatter & Beautifier
Format and beautify SQL queries in your browser. Standard SQL, MySQL, PostgreSQL, and SQLite keyword sets. Minify or indent with one click, no signup.
- Free, no sign-up
- REST + MCP
- Updated
- Reviewed by Olgun Ozoktas
How to Format SQL Queries Online
-
Paste or Upload Your SQL
Copy the raw SQL query from your database client, application code, or log file and paste it into the input panel. You can also upload a.sql file directly using the upload button. -
Select Your Dialect and Preferences
Choose your database dialect (standard SQL, MySQL, PostgreSQL, or SQLite) from the dropdown. Then pick your preferred indentation style: 2 spaces, 4 spaces, or tabs. Enable uppercase keywords if your team follows that convention. -
Click Format or Minify
Press the Format button to beautify your SQL with proper indentation, keyword casing, and line breaks at each clause. Use Minify to compress the query into a single line for embedding in application code or stored procedures. -
Copy or Download the Result
Click Copy to place the formatted SQL on your clipboard, or use Download to save it as a.sql file. The output preserves your chosen formatting conventions and is ready for use in your project.
Common Use Cases
Debugging Complex Queries
Code Review and Collaboration
Learning and Teaching SQL
Optimizing Stored Procedures
Why format SQL queries?
SQL (Structured Query Language) is the standard language for querying relational databases, used in virtually every web application, data pipeline, and analytics workflow. Whether you are writing queries for MySQL, PostgreSQL, SQL Server, or SQLite, clean formatting is essential for readability and maintenance. A single complex JOIN across five tables can be nearly impossible to debug when compressed into one line, but proper indentation and keyword alignment reveal the query structure instantly.
this SQL formatter online parses your raw query, identifies clauses and expressions, and applies consistent indentation, line breaks, and keyword casing. It supports all major SQL dialects, so dialect-specific syntax like MySQL backtick quoting or PostgreSQL type casting formats correctly. You can also minify formatted SQL into a compact single line for embedding in application code. All processing happens entirely in your browser, so your database queries, table names, and data values are never sent to any server.
Need to work with other data formats alongside your SQL? Use the JSON Formatter to beautify API responses that your queries produce, or try the CSV to JSON Converter to transform exported query results into JSON for downstream processing. The Diff Checker is useful for comparing two versions of a query side by side after refactoring.
How it compares
SQL Formatting Tips
- Always put each major clause (SELECT, FROM, WHERE, JOIN, GROUP BY, ORDER BY) on its own line. This makes queries scannable and simplifies debugging when a clause produces unexpected results.
- Use UPPERCASE for SQL keywords and lowercase for table and column names. This visual distinction is the most widely adopted convention and is recommended by the SQL style guides from companies like GitLab and Mozilla.
- Indent subqueries and nested conditions by one level. Consistent nesting depth shows the logical hierarchy of your query and prevents confusion when multiple subqueries are involved.
- Place each column in a SELECT list on its own line when the query selects more than three columns. This makes it easy to comment out individual columns during debugging and reduces horizontal scrolling.
- Minify SQL before embedding it in application code or environment variables. Removing whitespace keeps your source code clean while the database engine ignores formatting when executing the query.