JSON Tool

Format, validate, minify, sort keys, and escape JSON in your browser.

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About the JSON Tool

TxtWizard's JSON tool runs entirely in your browser. Paste raw JSON to format and validate it with a configurable indent, minify it back to a single line, sort object keys alphabetically for deterministic diffs, or convert any text to and from an escaped JSON string literal. Your input never leaves the page.

What you can do

  • Format / Validate: Reports the exact line and column on parse failures.
  • Sort keys: Recursively orders object keys to make diffs review-friendly.
  • Escape: Wraps any text into a valid JSON string literal.
  • Unescape: Decodes \n, \t, \uXXXX and other JSON escapes back into the original string.