JSON Formatter
Format, validate, minify and beautify JSON instantly in your browser.
How to use it
- Paste or type JSON in the input panel.
- Click Format to beautify, or Validate to check syntax.
- Copy or download the result — processing stays on your device.
Features
- Format & minify
- Syntax validation
- Copy / download
- Runs locally in the browser
Common questions
Is my JSON uploaded to a server?
No. Formatting and validation run entirely in your browser.
Does it support large files?
It works well for typical API payloads. Extremely large documents may be limited by browser memory.
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Use Tool →Related guides
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A plain-English explanation of JSON for APIs, configs, and debugging.
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