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How to Use JSON Formatter & Validator
- Paste JSON: Paste your raw JSON text into the editor.
- Choose Action: Click ‘Format 2-Spaces’, ‘Format 4-Spaces’, or ‘Minify’.
- Copy or Download: Copy the cleaned JSON or save it as a .json file.
Key Features
- Beautify with 2 spaces, 4 spaces, or tab indentation
- Minify JSON payloads to a single line
- Precise syntax error detection with error message and position
- One-click copy and file download
About JSON Formatter & Validator
Indispensable developer utility for formatting messy or minified JSON strings into clean, readable structures with 2-space or 4-space indentation. Validates JSON syntax and pinpoints parsing errors.
Frequently Asked Questions
Is my JSON data sent to any API?
No. The validation and formatting runs entirely inside your browser’s V8 engine.
Troubleshooting & Tips
- For a syntax error, check the indicated location for a missing quote, extra comma or unmatched bracket.
- If processing is slow, use a smaller document. Verify the output before replacing your original data.