Code Beautifier application enables you to beautify JavaScript, CSS, and HTML codes. Please open a file via the file selector interface by clicking on the (+) button at the top toolbar. Once the file is loaded completely on the left textarea, please click the - Beautify - button. The result will be rendered on the right textarea. Before the beautify operation please make sure to choose the proper language based on the input file. In most cases, the app automatically detects the input language if you open the file via the file selector UI. The are several settings to adjust for the beautifier. Please click on the settings button to see all the available options. To download the file to your machine, please click on the download button. You can also select the output and copy the result to the clipboard via the available buttons in the top toolbar.

You can install this app as a PWA on your mobile device, moreover, it is available as a browser extension as-well-as a web application:

Chrome: https://chrome.google.com/webstore/detail/code-beautifier-js-css-ht/lflcmgiebpalnlcjbadhamjfkmkfpjmg
Edge: https://microsoftedge.microsoft.com/addons/detail/code-beautifier-js-css/kafehfaeelkaeofmlpooeniecnacleff
Firefox: https://addons.mozilla.org/en-US/firefox/addon/code-beautifier-js-css-html/
Opera: https://addons.opera.com/en/extensions/details/code-beautifier-js-css-html/
Webapp & PWA: https://webbrowsertools.com/code-beautifier/

Support & FAQ: https://mybrowseraddon.com/code-beautifier.html