JSON Formatter
Format, validate, and beautify JSON data.
Formatted output will appear here...
About JSON Formatter
Format and beautify JSON online. Validate, minify, and pretty-print JSON data. Free JSON formatter and validator tool for developers.
How to Use
- 1Paste your JSON into the input area.
- 2Click "Format" to beautify or "Minify" to compress.
- 3View validation results and error messages.
- 4Copy the formatted JSON to clipboard.
Frequently Asked Questions
Does it validate JSON?
Yes, the tool validates your JSON and shows detailed error messages for invalid JSON.
Can I minify JSON?
Yes, you can both beautify (pretty-print) and minify JSON.
Is there a size limit?
The tool handles JSON up to 1MB easily. For larger files, consider using a local tool.
Tool Info
- Category
- dev
- Usage
- Unlimited
More dev tools
Base64 Encode/Decode
Encode text to Base64 or decode Base64 to text.
Encoder / Decoder
Encode & decode text with 15+ formats: Base64, URL, Hex, Binary, Morse, ROT13, JWT, SHA-256 and more.
GitHub Repository Scanner
Visualize any public GitHub repo: file tree, stats, README, and contributors.
Regex Tester
Live regex testing with match highlighting, capture groups, replace mode, and 12 common patterns.