JSON Formatter & Validator
Format, minify, sort keys and validate JSON with errors pinpointed — the quick JSON workbench for developers.
🔒 Private: everything runs in your browser. Sort-keys reorders every object alphabetically, including nested ones.
How to Format JSON
Paste your JSON
Any JSON text, valid or broken.
Choose an action
Format (2/4-space or tab indent), Minify, Sort keys, or Validate.
Copy or download
Take the clean result as text or a .json file.
Why Use Our JSON Formatter?
Errors Pinpointed
Invalid JSON is reported with the position and a context snippet, not a cryptic message.
Sort Keys Recursively
Alphabetize every object, including nested ones.
Minify in One Click
Shrink JSON for production payloads, with the size shown.
Private by Design
Everything runs in your browser; your data never leaves.
Common Questions About JSON Formatter
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Ready to try it?
No sign-up, no installation — just open the tool and get started in seconds.