SQL Minifier
Compress SQL queries by removing comments and whitespace. Free online SQL minifier runs locally in your browser, no upload, no account needed.
Runs locally in your browser. Your input is not uploaded to DevToolMate servers.
No execution
Minifies SQL text only. Statements are not executed or sent anywhere.
Developer Quick Tips
- Paste your SQL query and compress it instantly, removes comments and extra whitespace while preserving string literals.
- Minify SQL online without uploading; all processing happens in your browser for complete privacy.
- Strip line comments (--) and block comments (/* */) automatically while keeping quoted strings intact.
- Download your minified SQL as minified.sql or copy directly to your clipboard after compression.
- Use SQL Minifier to reduce query size for logs, APIs, or storage without changing query logic.
Frequently asked questions
How do I minify SQL online?
Paste your SQL query into the input box and click the minify button. The tool removes comments and compresses whitespace instantly in your browser, no upload required.
Does SQL Minifier remove comments?
Yes. SQL Minifier strips both line comments (--) and block comments (/* */) from your query while preserving all quoted string literals and query logic.
Can I compress SQL queries without uploading?
Absolutely. SQL Minifier runs entirely in your browser. Your query is never sent to our servers, compression happens locally on your device.
Is this SQL minifier free?
Yes, completely free. No account, login, or payment required. Use it as many times as you need.
Will minified SQL execute differently?
No. SQL Minifier only removes comments and whitespace, it does not execute queries or change their logic. The minified output is safe to use in production.
What happens to my input after I close the tab?
Your input is cleared when you close the tab. SQL Minifier does not store or persist your queries after the session ends.
Related tools
- SQL Formatter: Free SQL formatter online to beautify and pretty-print queries locally in your browser. Format SQL with readable indentation, no upload, no execution, no account needed.
- SQL Beautifier: Free SQL beautifier online. Format SQL queries in your browser with stable indentation. No upload, no account, no database execution.