Format · Developer

JSON Formatter

Paste JSON to validate, beautify, or minify instantly — privately on your device.

Keys (nested)

3

Minified size

57

Status

Valid

How to use

  1. Paste JSON into the editor.
  2. Fix any parse error shown.
  3. Copy formatted or minified output.

Features

  • Validate + beautify + minify
  • Key count and size stats
  • Runs in your browser. Inputs are not uploaded to ToolsWeb servers.

Privacy & how it works

This developer utility runs in your browser with JavaScript and Web APIs. Your text, tokens, and secrets are not uploaded to ToolsWeb servers for this tool. Privacy Policy.

FAQ

Does it support JSONC comments?expand_more

Not yet. Input must be strict JSON.

Is this tool free?expand_more

Yes. No signup and no paywall for core use.

Is my text uploaded?expand_more

No for this tool. Text stays in your browser while you work.

Do I need an account?expand_more

No. Open the page and start typing or pasting.

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