Code Beautifier
Formats and indents messy HTML, CSS, or JavaScript code into a clean, readable style with configurable indent size.
Code Beautifier — Free Online Tool
Formats and indents messy HTML, CSS, or JavaScript code into a clean, readable style with configurable indent size.
How to use the Code Beautifier
- Open the tool above — it runs entirely in your browser, so your input never leaves this page.
- Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
- Copy the result from the output area with the copy button orCtrl/Cmd + C.
- No signup, no upload, and no tracking — repeat as often as you need.
Frequently asked questions
Is the Code Beautifier free to use?
Yes. The Code Beautifier is completely free, with no signup, no ads inside the tool, and no hidden limits.
Does the Code Beautifier upload my data?
No. The Code Beautifier processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.
Does the Code Beautifier work offline?
After the page loads, the Code Beautifier runs entirely in your browser, so it keeps working without a network connection.
Free & private — why use this Code Beautifier
The Code Beautifier runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.