ToolKraken

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JSON Formatter

Paste messy JSON to instantly format and validate it, or minify it to one line. Errors are shown so you can fix them fast. Your data never leaves your browser.

How to use the JSON Formatter

  1. Paste your JSON.
  2. Click Format to beautify or Minify to compress.
  3. Copy the result (errors are shown if invalid).

100% free, no sign-up, and it all runs in your browser — your data never leaves your device.

FAQ

Is my JSON uploaded?

No. Formatting and validation happen entirely in your browser.

Add this tool to your website — free

Paste this where you want the tool to appear. It links back to ToolKraken.

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