JSON Beautifier
Format and validate JSON data instantly. Paste unformatted JSON and get a clean, indented, human-readable output.
使用 JSON Beautifier
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The JSON Beautifier formats raw, unformatted JSON into a clean, indented structure that is easy to read and debug. Beautify is the default mode; you can switch to Minify at any time to compress the same JSON instead. Ideal for developers working with APIs, configuration files, or data exports.
Why Use This Tool?
Raw JSON from APIs or logs is often minified and unreadable. Manually indenting nested JSON is impractical and error-prone. This tool instantly transforms compressed JSON into a clean, indented structure with consistent spacing, and shows a clear error message when the input is invalid.
How It Works
- Paste your raw or minified JSON into the input editor, or load a file from a URL.
- Confirm the language is set to JSON, then click Process Code (Beautify is the default mode for this tool).
- The output shows the formatted JSON with proper indentation; invalid JSON returns a clear error message.
- Copy the beautified JSON to clipboard, or download it as a .json file.
- Switch to Minify mode any time to compress the same JSON instead.
Key Features
- Beautify mode for readable, indented JSON
- Switch to Minify mode at any time to compress instead
- Switch to other languages (HTML, CSS, SQL, XML, YAML, INI, and more) without leaving the page
- Load code directly from a URL
- Copy to clipboard and download as .json
- Free online tool, no signup
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