Tools
Format, validate, and minify JSON data instantly in your browser.
This JSON Formatter beautifies, validates and minifies JSON data as you type or paste. It highlights syntax, points to the exact line and column of a parse error, and lets you switch between 2-space, 4-space and tab indentation. It is built for debugging API responses, cleaning up config files and checking JSON before it ships.
Transform minified JSON into readable, indented format with customizable spacing.
Instantly detect syntax errors with precise line and column numbers.
Compress JSON by removing all whitespace for smaller file sizes.
All processing happens in your browser. Your data never leaves your device.
Type or paste JSON into the input panel.
Click Format to beautify it, or Minify to strip all whitespace.
Invalid JSON is flagged with the exact line and column of the problem.
Switch between 2 spaces, 4 spaces or tabs.
Click copy to grab the formatted or minified output.
Formatting and validation happen entirely in your browser. Your JSON is never sent to a server.
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Developed by MadMVP
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