Readable JSON
JSON Formatter
Format, validate, or minify JSON directly in the browser.
Key Features
Workspace
Validate, format, and minify JSON instantly
Inputs are processed in your browser. File names, text body, and calculator inputs are not sent as analytics events.
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
JSON validation and URL building run in your browser. Input data and URLs are not stored on our server.
External API calls, server log analysis, and security scanning are not currently supported.
- JSON formatter
- JSON validator
- format JSON online
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