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JSON Formatter & Validator
PopularFormat, beautify, and validate JSON online. Minify JSON or convert to other formats.
How to use JSON Formatter & Validator
- 1. Paste or type your input in the box above.
- 2. The tool processes your input instantly — no button click needed in most tools.
- 3. Copy the output or download the result.
Frequently Asked Questions
What is JSON?
JSON (JavaScript Object Notation) is a lightweight data-interchange format used in APIs and configuration files.
How do I fix invalid JSON?
Paste your JSON and our tool will highlight errors and suggest fixes.
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