Readable JSON
JSON Formatter
Format, validate, or minify JSON directly in the browser.
Dev
Workspace
Validate, format, and minify JSON instantly
Frequently Asked Questions
Will invalid JSON show an error?
Yes. If parsing fails, the page shows an error message so you can fix the input.
Can I choose 2-space or 4-space indentation?
Yes. Choose the indentation size for readable output, or minify JSON into one line.
Is JSON content saved on a server?
No. Formatting and validation run in the browser and the JSON is not stored on our server.
Supported Scope
Code formatting, JSON validation, Base64, URL encoding, and UTM URL building are supported.
External API calls, server log analysis, and security scanning are not currently supported.
- JSON formatter
- JSON validator
- format JSON online
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