JSON Formatter & Validator
Format, beautify, validate and minify JSON with clear error messages and line numbers.
About the JSON Formatter & Validator
Paste messy or minified JSON and get clean, indented, readable output instantly. The validator points to the exact line and column of syntax errors like missing commas or quotes. Minify JSON to save bytes in APIs and config files.
How to use the JSON Formatter & Validator — step-by-step guide
How to use the JSON Formatter & Validator
- 1Paste your JSON.
- 2Click Format to beautify or Minify to compress.
- 3Fix any errors shown under the editor.
- 4Copy or download the result.
Key features
Frequently asked questions
Is the JSON Formatter & Validator free?
Yes. The JSON Formatter & Validator on Apex Tool Station is 100% free with no signup and no watermark. Browser tools have no usage limits.
Are my files or data uploaded to a server?
No. Everything runs locally in your browser using JavaScript. Your files and text never leave your device, which makes it safe for private documents.
Does it work on mobile?
Yes. The tool works on any modern browser on Android, iPhone, Windows, Mac and Linux.