Developer Tool
JSON Formatter
Beautify, minify, and validate JSON with customizable indentation. All processing happens in your browser.
Your data is processed locally in your browser and is never uploaded.
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FAQ
- Is my JSON sent to a server?
- No. All formatting and validation happens locally in your browser. Your data never leaves your device.
- What indentation options are available?
- You can choose 2 spaces, 4 spaces, or tabs. You can also sort object keys alphabetically.
- Does this use eval()?
- No. We use JSON.parse() and JSON.stringify() exclusively, which are safe standard APIs.
- What happens with invalid JSON?
- The validator shows the error message with approximate line and column position to help you find the issue.