JSON Formatter & Validator
Paste your JSON to format, validate, and beautify instantly. Works offline, no data sent to any server.
About This JSON Formatter
A fast, free, and privacy-focused JSON formatter and validator that runs entirely in your browser.
No data is ever sent to a server. Bookmark this tool for quick access whenever you need to format
or debug JSON.
- Format / Beautify: Parses and pretty-prints your JSON with customizable indentation.
- Minify: Compresses JSON by removing all whitespace for compact storage or transmission.
- Validate: Checks your JSON for syntax errors and highlights the exact line and column.
- Syntax Highlighting: Color-coded strings, numbers, booleans, nulls, and keys.
- Stats: Shows key count, nesting depth, arrays, and byte size at a glance.
- Keyboard shortcut: Press Ctrl+Enter (or Cmd+Enter) to format instantly.