Utility · MySpeedTest.in Tools
JSON Viewer - Free Online Tool
Validate, beautify & minify JSON online — free, no upload.
…JSON viewer used
Free on MySpeedTest.in · Files stay in your browser · All tools · Speed test
100% local. Your files never upload to our servers — convert or compress in this browser, then download the result.
JSON Viewer — Paste JSON to validate, beautify, or minify — 100% in your browser. Nothing is uploaded.
Valid JSON
How to use
- Paste JSON or load a .json file.
- Click Beautify or Minify.
- Copy or download the result.
Developer-friendly JSON tools
Check syntax instantly, pretty-print nested objects, or compress JSON for APIs — all client-side.
FAQ
Is my JSON uploaded?+
No. Parsing runs only in your browser.
Large files?+
Very large JSON may be slow in the browser; try minify for smaller payloads.
Tree view?+
Beautified text output is shown; use your editor for collapsible trees if needed.