JSON Formatter & Validator
Paste your JSON to format, beautify, minify, or validate it instantly. Everything runs in your browser — no data is sent anywhere.
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About This Tool
This JSON formatter helps developers quickly validate and beautify JSON data. It detects syntax errors and shows exactly where problems are in your JSON.
Features: Format with custom indentation (2 or 4 spaces, tabs), minify JSON, validate structure, and copy results with one click.
Privacy: All processing happens client-side. Your data never leaves your browser.