To use these add-ons, you'll need to download Firefox.

Log in

1,444 results found for "css"

Filter results
Search results
  • CSS Override

    CSS Override

    Add your own custom CSS styles to any webpage

    swcolegrove

    1,993 users

  • CSS Reloader

    CSS Reloader

    CSS Reloader is an extension that allows you to reload all the CSS of any site without you have to reload the page itself.

    auchenberg

    1,629 users

  • CSSViewer

    CSSViewer

    A simple yet powerful CSS property viewer. For Firefox Quantum

    Mohsen Khanpour

    4,171 users

  • Live editor for CSS, Less & Sass - Magic CSS

    Live editor for CSS, Less & Sass - Magic CSS

    Live preview of CSS/Less/Sass code changes. Auto-save file, autocomplete, convert Less/Sass to CSS, beautify, minify, CSS reloader, linter, ...

    webextensions.org

    1,619 users

  • CSS Peeper

    CSS Peeper

    Extract CSS and build beautiful styleguides.

    CSS Peeper

    453 users

  • Custom CSS

    Custom CSS

    Overwrite or inject custom CSS into website.

    Kenny Ooi

    421 users

  • Debug CSS

    Debug CSS

    Adds outline to all elements on the page to show the culprit element which is changing desired layout hit `Alt+Shift+C ` key to toggle the extension

    Pranay Joshi

    1,211 users

  • CSS Exfil Protection

    CSS Exfil Protection

    Guard your browser against CSS Exfil attacks! CSS Exfil is a method attackers can use to steal data from web pages using Cascading Style Sheets (CSS). This plugin sanitizes and blocks any CSS rules which may be designed to steal data.

    Mike Gualtieri

    1,211 users

  • CSS Spider

    CSS Spider

    The fastest and easiest way to check, copy and edit CSS

    Mohith G

    320 users

  • CSS Toggler

    CSS Toggler

    Browser extension to quickly toggle CSS.

    ap

    423 users

  • Stylus

    Stylus
    Recommended

    Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.

    Stylus Team

    127,652 users

  • CustomCSS Injector

    CustomCSS Injector

    - Apply any CSS rules for any websites, including iframes. - Whitelist and Blacklist functionality - Apply CSS rules to specific URLs, Domains or Globally - Syntax highlighting & line numbers - Update without page refresh

    Blizz3

    957 users

  • S-CSS-P

    S-CSS-P

    A stylesheet picker for The SCP Wiki.

    bluesoul

    402 users

  • CSS Layout Debugger

    CSS Layout Debugger

    When activated, CSS Layout Debugger applies dynamic backgrounds and outlines to elements on the page in order to assist in layout debugging.

    CSS Layout Debugger

    211 users

  • Remove css from website

    Remove css from website

    Removes css from website. Remove inline styles, stylesheets, add custom styles.

    Michal Szczepanski

    234 users

  • CSS Reload

    CSS Reload

    Simplifies stylesheets reload of the current page.

    Стоян Димитров

    118 users

  • Tailwind CSS Devtools

    Tailwind CSS Devtools

    All-in-one browser extension for Tailwind CSS Developer.

    Erwin

    419 users

  • Simple CSS Inserter

    Simple CSS Inserter

    Bring CSS in and out.

    JM

    66 users

  • CSS Insight

    CSS Insight

    CSS Insight – your go-to solution for fast and efficient style management directly in your browser!

    MarkAlexI

    41 users

  • Toggle CSS outline

    Toggle CSS outline

    Simple extension that toggles a red outline around all elements in a page on/off, useful for CSS debugging.

    theodejager

    54 users

  • Live Reload — monitor and reload html, css, js

    Live Reload — monitor and reload html, css, js

    Addon for web devs. Monitor included JS, CSS and/or HTML in frames and automatically reload the host page when a change is detected in the included source. Supports inline reloading of stylesheets and frames without reloading the host page.

    Blaise Kal

    718 users

  • Dom Tree and CSS Playground

    Dom Tree and CSS Playground

    On ANY web site, easily find/edit the web elements and styles that you need, in real time. Use css playground to micro-view 100's of styles in seconds. NOTE: Use your shortcut key "f" allot.

    Jody Brabec

    197 users

  • CSS Stacking Context inspector

    CSS Stacking Context inspector

    Helps inspecting the css stacking contexts and solving the z-index war.

    Andrea Dragotta

    674 users

  • Your Custom Css

    Your Custom Css

    Add and save your own custom css for whatever websites you want.

    Bekurkes

    41 users

  • CSS Breakpoint Button

    CSS Breakpoint Button

    A browser extension that displays the current breakpoint for the selected css framework.

    Div or Die

    32 users