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JSON Tools

JSON is the most common format for APIs, configuration files and app data. These tools help you read it, check it and shrink it without installing anything.

Use the formatter for readable output, the validator to check syntax, and the minifier for the smallest payload.

  • JSON Formatter

    Format and beautify JSON online. Paste minified or messy JSON, get clean indented output and clear error messages. Runs in your browser.

  • JSON Minifier

    Minify JSON online by removing whitespace and line breaks. Shrink payloads and config files. Free and processed locally in your browser.

  • JSON Validator

    Validate JSON online and find syntax errors fast. See the exact line and column of the problem. Free, private and runs in your browser.