Can I beautify JavaScript code that has syntax errors?

Both tools are free to use. CodeBeautify may show ads on the page, while FreeFormatter does not mention ads but also lacks extra features like download options.

Do these tools preserve the original functionality of my code?

CodeBeautify uses standard formatting rules, while FreeFormatter lets you configure indentation and brace style. If you have a preferred code style, FreeFormatter gives you more control over how the output looks.

Is there a limit on how much code I can format at once?

Neither tool lists a maximum input size. If you are formatting a large script, paste a portion first to check performance.

Can I use these tools offline or as a browser extension?

Both are accessed via their respective websites. If you need an offline solution, you may need to look for a downloadable formatter or a local code editor with built-in formatting.

Code Formatters & Validators2 options compared

JavaScript Beautifier

Converts JavaScript code into a more readable format by reorganizing syntax, aligning code blocks, and adding proper indentation. Users can paste their JavaScript code into the tool's interface, click the beautify button, and receive a cleaner version of their script. Developers, programmers, and web designers who work with JavaScript will find this tool invaluable for maintaining clean, legible...

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Editors’ Top PickBased on community votes

CodeBeautify

codebeautify.org

JavaScript Beautifier

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FreeFormatter
freeformatter.com
Formats JavaScript with configurable indentation and brace style, producing readable code from minified bundles.
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Side by side

JavaScript Beautifier options compared

Tool	Best for	Strengths	Limitations
CodeBeautify codebeautify.org	Quick formatting and preview	Live preview of formatted code Download output as file	Ads on the page Limited customization options
FreeFormatter freeformatter.com	Configurable formatting rules	Configurable indentation and brace style Produces readable code from minified bundles	No live preview or download option mentioned Community votes: 0

Buyer's guide

How to choose a javascript beautifier

When picking a JavaScript beautifier, consider whether you need to see the formatted result instantly or if you prefer to adjust formatting rules like indentation and brace style. If you want a quick, visual way to clean up code, choose a tool with a live preview. If you are preparing code for a repository and need specific formatting standards, look for options that let you configure those details.

Questions

JavaScript Beautifier FAQ

Can I beautify JavaScript code that has syntax errors?: Both tools are free to use. CodeBeautify may show ads on the page, while FreeFormatter does not mention ads but also lacks extra features like download options.
Do these tools preserve the original functionality of my code?: CodeBeautify uses standard formatting rules, while FreeFormatter lets you configure indentation and brace style. If you have a preferred code style, FreeFormatter gives you more control over how the output looks.
Is there a limit on how much code I can format at once?: Neither tool lists a maximum input size. If you are formatting a large script, paste a portion first to check performance.
Can I use these tools offline or as a browser extension?: Both are accessed via their respective websites. If you need an offline solution, you may need to look for a downloadable formatter or a local code editor with built-in formatting.

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