Code Formatter & Minimizer
Paste in messy HTML, CSS, or JavaScript and get back something you'd actually want to read — or shrink it down for production in the same click. No sign-up, no install, completely free.
Enter Code
Output Code
Why bother formatting your code at all?
Two people can write the exact same working program and end up with code that looks nothing alike. Formatting is what turns "it works" into "it works, and anyone on the team can pick it up without guessing."
Readability
Consistent indentation and spacing let your eyes follow the structure instead of hunting for a missing bracket or a stray tag.
Easier reviews
When formatting is consistent, code reviews focus on logic instead of arguing over tabs, spaces, and where the curly brace goes.
Faster debugging
A clean layout makes it obvious when a tag isn't closed or a function ends earlier than you expected.
Minifying solves a different problem. Once your code is finished, tested, and ready to ship, every extra space, line break, and comment is just weight the browser has to download before it can do anything useful. Minifying strips that weight out, without touching how the page behaves.
Neither approach is "better" on its own — they're for different stages of the same project. You write and review in the readable version, then deploy the compact one.
Developer reviewing code on a laptop screen
Beautify vs. minify, at a glance
Same code, two different jobs. Here's how they actually compare.
| What you're comparing | Beautified code | Minified code |
|---|---|---|
| Main purpose | Writing, reading, and reviewing code | Shipping code to a live site |
| File size | Larger — keeps whitespace and comments | Smaller — often noticeably lighter to download |
| Readability | Easy to follow line by line | Hard to read directly; not meant to be edited by hand |
| When to use it | While you're actively building or debugging | Right before deployment, on the final build |
| Who benefits | You, your teammates, future you six months from now | Your visitors, through a faster-loading page |
The size difference is the part people underestimate. Whitespace and comments don't affect anything once the browser is running your code, so they're pure extra weight on the wire. Trimming them commonly brings a file down by somewhere in the range of a third to two-thirds of its original size, depending on how much formatting and commenting it had to begin with.
How it works
Three steps, no learning curve.
Paste your code
Drop in HTML, CSS, JavaScript, or a mix of all three into the input box above.
Pick Beautify or Minimize
Choose to clean it up for reading, or compress it down for shipping.
Copy the result
Grab the output with the Copy button and drop it straight into your project.
What gets cleaned up in each language
Beautifying and minifying don't do the exact same thing to every language. Here's the breakdown.
| Language | Beautify does this | Minify does this |
|---|---|---|
| HTML | Indents nested tags, lines up attributes, adds consistent line breaks between elements | Strips comments and collapses extra whitespace between tags where it's safe to do so |
| CSS | Puts one declaration per line, indents rules consistently, spaces out selectors and braces | Removes whitespace and comments and tightens up spacing around braces and colons |
| JavaScript | Adds consistent indentation, spacing around operators, and clear line breaks between statements | Strips comments, whitespace, and unnecessary line breaks so the same logic ships in less space |
A few things worth knowing before you minify
✅ Keep a readable master copy. Store the formatted version in your project or version control, and only minify a separate copy meant for deployment.
✅ Don't hand-edit minified output. Any change you make there gets wiped out the next time you regenerate it from the source.
✅ Test before you minify, not after. Formatting doesn't fix logic errors — catch bugs while the code is still easy to read.
✅ Watch for automatic semicolon insertion quirks in JavaScript. Code that relies on it can behave differently once line breaks are removed.
✅ Check for license headers. If your CSS or JS has a comment-based license banner, confirm it survives minification if you need to keep it.
✅ Re-run your formatter after every edit, not just once at the end — it's a lot easier to review a diff when the formatting never drifted.
Frequently asked questions
Will minifying my code break it?
No. Minifying only strips whitespace, line breaks, and comments, and tidies up a few safe shorthand patterns. It doesn't change what your code does. If something stops working after you minify it, the more likely cause is a bug that was already there and got harder to spot once the formatting disappeared.
Can I paste HTML, CSS, and JavaScript together in one file?
Yes. You can paste a full HTML document with inline <style> and <script> tags, and the tool will format or minify the whole thing in one pass. A standalone CSS or JavaScript snippet works just as well.
Is there a limit to how much code I can paste in?
The tool is built for everyday snippets, components, and single files rather than an entire multi-file codebase at once. For very large files, you'll usually get faster, easier-to-check results by splitting the code into smaller pieces first.
Does formatting change what my code actually does?
Beautifying only changes indentation, spacing, and line breaks. It won't reorder your logic, rename anything, or alter values, so the page behaves exactly the same before and after.
Can I get my original spacing back after minifying?
Not from the minified version itself — the spacing is removed on purpose. That's exactly why it's worth keeping a readable copy saved somewhere, such as version control, and only minifying a separate copy meant for deployment.
Is this tool free to use?
Yes, it's completely free, with no sign-up and no usage limits.
Do I need to install anything to use it?
No installation needed. It runs directly in your browser on desktop or mobile, so you can format or minify code from whatever device you're already on.