{ } Payload Haven
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Format and validate JSON privately

Paste JSON to format, validate, or minify it. Your input stays in this browser.

All developer tools

JSON formatterValidate, format, and minify JSON.JSON comparisonSee exactly which values changed.JWT decoderInspect headers, claims, and timestamps.URL encoder / decoderEscape parameter values and decode URLs.Base64 encoder / decoderConvert Unicode text and URL-safe Base64.Unix timestamp converterConvert timestamps and dates in UTC and local time.UUID generatorGenerate random identifiers individually or in batches.JSON string escape / unescapeConvert raw text to and from a JSON string literal.

Guides

JWT decoding versus signature verification

How to compare two JSON API responses

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