This is an extension for Microsoft Edge
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Live preview of CSS/LESS code with an in-page editor. Autocomplete, convert LESS to CSS, beautify, minify, CSS reloader, linter, etc. Run this extension and start writing your CSS/LESS code which gets applied immediately. The code you write will be saved in your browser's local storage at site level. Featuring: * Live editor for CSS/LESS code - Preview changes as you write code * Syntax Highlighting * Auto-generate CSS selectors with point-and-click * Autocomplete for CSS selectors, properties and values * Color picker (supports HEX, RGB, RGBA, HSL and HSLA) * Convert code from LESS to CSS * Beautify / Format code * Minify code * Highlight DOM elements matching the CSS selectors * CSS reloader * Lint CSS code * Create GitHub Gist & E-mail Open source: * This extension is available for: * Google Chrome * Microsoft Edge * Mozilla Firefox Visit for further details Created by: * Priyank Parashar Uses: * No need to refresh pages to test your CSS/LESS code * Speed-up development and testing of your styling code by doing it directly on your page * Develop and test your code before finalizing your changes into the project files * Apply some temporary styles (like hiding some components) * Reload CSS resources without refreshing the page * Test styling changes even when you cannot modify the original source code Notes: * The CSS/LESS code you write gets applied as you write it * With this styling code tester, you can develop and test the code at the same time * The code is saved in browser as soon as you write it * The code editor is resizable and draggable * The code you write is auto-saved at site level and can be used again for same or different pages * You can use "TAB" key to indent your code * Running Magic CSS again, while it is already loaded, will restore it to its original position and size * Press "Esc" or click on close to hide it and run it again to continue making changes * The code you write is added at the bottom of the <body> tag of the active page * It includes CSS/LESS beautifier and minifier * It highlights the DOM elements matching the CSS selectors * Use it along with your favorite Chrome/Edge/Firefox Developer tools * You might find it useful in creating your custom themes for websites based on Stylish / Stylist * This extension is also known as "MagiCSS - Live CSS Editor" Credits for open source code and services used by this extension: * Amplify JS * Browserify * Code Mirror * codemirror-colorpicker by easylogic @ GitHub * CSS Pretty * CSSLint * GitHub Gist * jQuery * jQuery UI * Less * Mozilla Source Map * Tooltipster Inspirations: * "Auto-generate CSS selectors with point-and-click" feature is partly inspired by the Chrome extensions SelectorGadget and Stylebot Connect to us at: * * * * Priyank Parashar -


Additional information

Published by

Release date


Approximate size

2.25 MB

Age rating

For ages 3 and up


Developer tools

This app can

Store personal browsing data on your device.
See the websites you visit.


Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices.

Language supported

English (United States)

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