JSON Formatter & Validator
Format, beautify, and validate your JSON data online. Supports minification and customizable indentation.
How to Use
- Paste your JSON data into the input area
- Click Format to beautify or Minify to compress
- Copy the formatted result or download as a file
Frequently Asked Questions
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What is JSON?
JSON (JavaScript Object Notation) is a lightweight data interchange format. It is easy for humans to read and write, and easy for machines to parse and generate.
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How do I validate JSON?
Paste your JSON into the input field and click Format. If the JSON is invalid, an error message will show the exact location of the syntax error.
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Can I format large JSON files?
Yes, this tool runs entirely in your browser and can handle JSON files up to several megabytes without sending any data to a server.
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What indentation options are available?
You can choose between 2 spaces, 4 spaces, or tab indentation when formatting your JSON.