Fast, local, ad-supported
JSON Schema
Paste JSON to format, validate, minify, and inspect it instantly. Processing stays in your browser.
Ready
JSON
0 charsJSON Schema
0 linesHow to use
Paste JSON into the editor, choose Format for readable output, Validate to check syntax, or Minify for a compact version.
Why format JSON
Formatted JSON makes API responses, logs, and configuration files easier to scan, debug, compare, and share.
Privacy
The formatter runs locally in your browser. Your JSON is not uploaded to a server.
FAQ
Frequently asked questions
Is this JSON formatter free?
Yes. The tool is free to use and supported by clearly separated ad placements.
Does my JSON leave the browser?
No. Formatting, validation, and minification happen locally in the current tab.
Can it find JSON syntax errors?
Yes. Invalid JSON shows an error message with the best available line and column location.