JSON Formatter & Validator

Format, validate and minify JSON payloads instantly.

What is the JSON Formatter & Validator?

This tool formats messy JSON into readable output and validates whether the input is valid JSON. Use it while debugging API responses, payloads and fixtures.

How to use it

Paste JSON in the input box and click Format. If the JSON is invalid, you will get a clear parse error. You can also Minify and Copy output.

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macOS & Windows