JSON Formatter & Validator
Format, beautify, and validate JSON online. Syntax highlighting, error detection, minify, and tree view.
How to use
- 1.Paste your JSON into the editor
- 2.The tool auto-validates and shows any errors
- 3.Click "Format" to beautify or "Minify" to compress
- 4.Use "Copy" to copy the result to clipboard
FAQ
What is JSON formatting?+
JSON formatting adds proper indentation and line breaks to make JSON human-readable.
What errors can the validator detect?+
Syntax errors like missing commas, brackets, or invalid values with exact line numbers.
Is there a size limit?+
The tool handles JSON up to a few MB comfortably in your browser.
Can I use this as a JSON minifier?+
Yes, click "Minify" to remove all unnecessary whitespace.
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