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JSON Formatter
Pretty-print, validate, or minify any JSON. Paste, click, get clean output.
Private - runs in your browser
No signup required
Free forever
How to use JSON Formatter
- Paste your JSON.
- Pick Format / Minify / Validate.
- Copy the cleaned result.
Features
- Indent control (2 / 4 / tab)
- Strict validation
- Inline error pointer
Why use it
- Debug API responses
- Tidy config files
Frequently asked questions
Does it accept JSON5?
No - only strict JSON. Comments and trailing commas are not supported.