Paste your JSON below to format (beautify), minify, or validate it. Supports deeply nested objects, arrays, and all JSON data types. Choose your preferred indentation level and get clean, readable output instantly — all processing happens in your browser.
Our free online JSON formatter lets you instantly beautify, minify, and validate JSON data right in your browser. Paste raw or minified JSON, pick your preferred indentation, and get perfectly formatted output in one click — no signup or installation required.
Simply paste your JSON into the editor, choose your indent size (2, 3, 4 spaces, or tabs), and click Format / Beautify to pretty-print it. Use Minify to compress it for production, or Validate to check for syntax errors. The result can be copied to your clipboard instantly.
Unlike server-based tools, this JSON formatter processes everything locally in your browser — your data never leaves your device. Whether you're debugging API responses, cleaning up config files, or preparing JSON for documentation, this tool handles it fast and privately.
