Developer Favorite
Format, Validate & Minify JSON Code
Clean up messy API responses, fix syntax glitches, and compress JSON payloads directly in your browser.
Formatted locally with native JSON parse engine. 100% private.Size: 0 chars
2 & 4 Space Beautification
1-Line Minification
Syntax Error Validation
Local Browser Execution
How to Use JSON Formatter & Validator (Beautify & Minify) (Step-by-Step Guide)
No software installation required. Complete your task in 3 easy steps directly in your browser.
1
Paste JSON
Paste unformatted or minified JSON text into the editor.
2
Click Beautify or Minify
Choose 2-space, 4-space formatting, or single-line minification.
3
Copy Clean Code
Copy the syntax-validated JSON with one click.
How helpful was this tool?
Rated 4.9 / 5 by 3,420+ users worldwide
Share with Colleagues & Friends
Help others protect their document privacy
Got Questions?
Frequently Asked Questions
No! Formatting and validation are handled entirely in your local browser using JavaScript's native JSON parser.