Paste JSON to pretty-print, validate, minify, or explore it — instantly, client-side, no server.
Output will appear here after formatting.
Press Ctrl+Enter (or Cmd+Enter on Mac) to format JSON after pasting.
Trailing commas, single quotes, unquoted keys, and comments are NOT valid JSON. Use "double quotes" only.
Removes all whitespace to reduce size for API payloads, config files, or storage. Functionally identical to pretty-printed.
Your JSON never leaves your browser. This tool is 100% client-side with no analytics or tracking.