Free JavaScript Beautifier Online
Use this free JavaScript beautifier to format and indent JS code. Fast, private, and works directly in your browser.
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What is JavaScript Beautifier?
JavaScript Beautifier reformats minified or messy JavaScript into clean, indented, readable code. It is useful for reading bundled scripts and tidying your own code. Formatting runs in your browser.
How to use this tool
- Paste your JavaScript into the input box.
- Click Beautify.
- Copy the formatted code.
Features
- Reformat and indent JavaScript
- Expands minified code
- Adjustable indentation
- Copy the formatted code
- Runs entirely in your browser
This tool runs in your browser. Your files and text are not uploaded to our servers, and we do not store your input.
Frequently asked questions
Can it un-minify bundled JS?+
It re-indents and spaces the code so it is readable, though names stay as in the source.
Does it run my code?+
No. It only formats the text; your code is never executed.
Is my code uploaded?+
No. Formatting happens entirely in your browser.
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