JSON Formatter & Validator
Format, beautify, and validate JSON. Also minifies JSON for compact output.
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About this tool
How to use JSON Formatter & Validator
- 1Paste your JSON in the input box
- 2Click 'Format / Beautify' to make it readable with proper indentation
- 3Or click 'Minify' to compress it into a single line
- 4If there's a JSON parse error, the exact error message is shown
Frequently Asked Questions
What is JSON?
JSON (JavaScript Object Notation) is a lightweight data format for storing and transmitting structured data. It uses key-value pairs and arrays, and is the most common format for APIs and configuration files.
Why does my JSON fail to parse?
Common JSON errors: trailing commas (not allowed), single quotes instead of double quotes, unquoted keys, missing commas between elements, or special characters not properly escaped.
What is the difference between formatting and minifying?
Formatting (beautifying) adds proper indentation and line breaks to make JSON human-readable. Minifying removes all whitespace and line breaks to make JSON compact for transmission or storage.
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