Fix My Formatting

JSON Formatter & Validator

Format, minify, and validate JSON with precise errors.

Input0 chars
Formatted JSONLive
Your result appears here as you type.
Free · No signup · Processing happens in your browser — text never uploaded.
Fix My Formatting: JSON Formatter & Validator →

How to use JSON Formatter & Validator

Paste JSON to validate and format it with readable indentation. Invalid input shows the parser error immediately.

  1. Copy the text or table you want to fix.
  2. Paste it into the input above. The result updates instantly.
  3. Copy, download, share, or embed the finished result.

Frequently asked questions

Is json formatter & validator free?

Yes. It is free, requires no account, and has no usage limit.

Does my text get uploaded?

No. Processing happens in your browser. Text is stored only if you explicitly create a share link.

Can I use it on mobile?

Yes. The editor works in current mobile and desktop browsers.

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