JSON Formatter / Minifier

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Output0 chars

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Free Online JSON Formatter and Beautifier

JSON Toolkit provides a fast, free online JSON formatter that beautifies and minifies your JSON data instantly. All processing happens in your browser — your data never leaves your device.

Features

Format JSON with customizable indentation (2 spaces, 4 spaces, tabs)
Minify JSON to reduce file size
Syntax validation with error highlighting
Support for large JSON files
History saved locally for quick access

GitHub ·

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