Live preview of CSS/Less/Sass code changes. Auto-save file, autocomplete, convert Less/Sass to CSS, beautify, minify, CSS reloader, linter, ...
Features & Capabilities
User Growth & Download Statistics
- By:
- webextensions.org
- Daily users:
- 1,545 -17
- Rating:
- 4.57 (44)
- Version:
- 8.10.2 Last updated: 2021-04-21
- Version code:
- 5219125
- Creation date:
- 2017-04-20
- Risk:
- Moderate risk impact Low risk likelihood
- Permissions:
- activeTab
- storage
- unlimitedStorage
- webNavigation
- <all_urls>
- activeTab
- Size:
- 783.14KB
- Email:
- we*****@gmail.com
- URLs:
- Website ,Privacy policy
- Full description:
- See detailed description
- Source:
- Firefox Add-ons Store
- Data ingested on:
- 2026-07-12
- Compare stats and ranking:
- Live editor for CSS, Less & Sass - Magic CSS vs Live CSS Editor Plus
- Live editor for CSS, Less & Sass - Magic CSS vs Beautifer & Minify
- Live editor for CSS, Less & Sass - Magic CSS vs CSS Injector
Ranking
Other platforms
For Developers
Contact the developer
Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
User Reviews
Pros
- Very useful and handy live CSS editor functionality for quick styling changes.
- Makes defining and editing CSS easy even for users not proficient with CSS.
- Lightweight and simple extension that enhances productivity without heavy tools.
- Appreciated for its efficient live editing for CSS, Less, and Sass.
- Provides a better alternative to browser default dev tools for live CSS adjustments.
Cons
- Lacks auto-save or persistent saving of changes, requiring reopening the addon each time.
- No option for pinning or fixing the editor interface, causing it to close or deactivate frequently.
- UI is limited, with suggestions to improve visual design including themes and less distracting colors.
- Missing SASS support compared to the Chrome version, which impacts users relying on SASS features.
- Cannot open/save local stylesheets directly, unlike some older related extensions, limiting workflow convenience.
Recent reviews
by so*****, 2026-04-12
by 退出*****, 2025-03-28
by 天灭*****, 2025-02-13
Is Live editor for CSS, Less & Sass - Magic CSS Safe?
Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.
Live editor for CSS, Less & Sass - Magic CSS requires a few sensitive permissions. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- High ****** ********* ** * ****** ******** ******** ********** * ******* ******* *****
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.
Live editor for CSS, Less & Sass - Magic CSS has earned a fairly good reputation and likely can be trusted.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
- Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
- Good **** ********* *** **** **** *******
Extension Guard
Discover every extension in use, analyze risks, and enforce blocking policies with Extension Guard
Secure Your Browser Upgrade to see full risk analysis details
Best Live editor for CSS, Less & Sass - Magic CSS Alternatives
Here are some Firefox add-ons that are similar to Live editor for CSS, Less & Sass - Magic CSS:
Live CSS Editor Plus
Chastity
Beautifer & Minify
DanRotaru
CSS Injector
Francesco De Stefano
Live Code Previewer Pro
Dixon
HTML & CSS Scriptor
Libor Benes (Dr. B)
Code Formatter
sparkle_64
Live CSS Editor
WIN79 CONG NGHE SO
CSS Edit
keyser
Code Editor
sycxyc
HTML Live Editor
DIZE TECH IT SOLUTIONS
Visual CSS Editor ERT
5699 Casino