Developer Tools

JSON Formatter

Paste JSON and instantly format it for readability or minify it for compact output.

Use this tool

How to use JSON Formatter

Paste the full JSON payload exactly as you received it so the parser can validate the structure.
Use the format action when you need readable indentation, or minify when you need compact output for transport.
If the parser fails, fix the line with missing commas, quotes, or braces before copying the result elsewhere.

Example workflow

A developer can paste a failed API response, format it, spot that a nested array is missing a comma, correct the payload, and then resend the request with much less guesswork.

Privacy note

JSON formatting runs in the browser, so the payload stays on your device unless you choose to copy or share it.

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Helpful guides

How to Format JSON Without Errors

Learn how to format JSON correctly, avoid common syntax mistakes, and use a JSON formatter more effectively.

Read guide

JSON Formatter

Use this tool

How to use JSON Formatter

Example workflow

Related tools

Base64 Encode Decode

URL Encode Decode

JWT Decoder

Helpful guides

How to Format JSON Without Errors

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