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JSON Formatter, Beautifier & Minifier

Format, prettify, minify, and validate JSON online instantly. See exact error locations with line and column numbers. Choose your indent style and download the result — all processed privately in your browser.

Indent:
Download as:
0 chars · 0 B
Formatted output will appear here

Processed entirely in your browser — your data never leaves your device.

How to Use This Tool

  1. Paste your raw JSON into the input panel on the left.
  2. Choose your indent style — 2 spaces, 4 spaces, or Tab.
  3. Click Format to prettify, or Minify to compress.
  4. Use Validate to check JSON validity without changing the output.
  5. Copy the result to clipboard or download it as .json or .txt.

Frequently Asked Questions

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