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JSON Formatter

Pretty-print or minify JSON, with instant validation and syntax highlighting.

Mode

Input

0 chars · 0 words · 0 lines

Output

0 chars · 0 words · 0 lines
No changes yetCtrl+Z undo · Ctrl+Shift+Z redo

About this tool

Paste any JSON to pretty-print it with 2-space indentation or minify it down to a single line. Invalid JSON is caught immediately with the parser's exact error message, and valid output is syntax-highlighted so keys, strings, numbers and booleans are easy to tell apart.

Features

  • Pretty print with indentation
  • Minify to a single line
  • Instant validation with error messages
  • Syntax highlighting
  • Copy button
  • Download as .txt

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