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JSON Formatter & Validator — Format, Minify, Validate
Format, beautify, minify and validate JSON online. Paste your JSON, click Format for pretty print or Minify for compact output. Instant error detection.
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Frequently Asked Questions
What does JSON formatting do? +
JSON formatting (also called pretty print or beautify) adds proper indentation and line breaks to make JSON data human-readable. It doesn't change the data, only the presentation.
What is JSON minification? +
Minification removes all whitespace (spaces, tabs, newlines) to make JSON as compact as possible. This reduces file size which speeds up data transfer over networks.
Why is my JSON invalid? +
Common JSON errors include: missing quotes around keys, trailing commas after the last item, single quotes instead of double quotes, and unescaped special characters in strings.