Free Tool
JSON Formatter
Format, validate, and minify JSON data. Customizable indentation with instant validation feedback. All processing happens in your browser.
How it works
1. Paste JSON
Paste your JSON data or upload a .json file.
2. Format or minify
Pretty-print with 2 or 4 space indentation, or minify to a single line. Validation is automatic.
3. Copy or download
Copy the result to your clipboard or download as a .json file. Everything stays in your browser.
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