Dark Reader
Mörkt läge på alla webbplatser. Ta hand om dina ögon och använd ett mörkt tema för att surfa på natten och dagen.
1 298 636 användare
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
1 025 685 användare
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
212 292 användare
Stylus
Style:a om webben med Stylus, en användarstils-hanterare. Stylus låter dig enkelt installera teman och skal för många populära sidor.
135 780 användare
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
104 933 användare
Flagfox
Visar en landsflagga för den besökta webbserverns plats och tillhandahåller ett flertal verktyg som säkerhetskontroller för webbsidor, "whois", översättning, liknande sidor, validering, URL-förkortning m.m.
103 630 användare
User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
88 706 användare
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
78 513 användare
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
59 589 användare
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
34 217 användare
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
33 574 användare
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
24 697 användare
Port Authority
Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
17 663 användare
React Developer Tools
React Developer Tools is a tool that allows you to inspect a React tree, including the component hierarchy, props, state, and more. To get started, just open the Firefox devtools and switch to the "⚛️ Components" or "⚛️ Profiler" tab.
185 596 användare
FireShot: Full Web Page Screenshots (♥♥♥♥♥)
FireShot makes full page screen captures - http://bit.ly/RlBQMV Screenshots are quickly captured and: ― Saved as Image / PDF with links and text ― Sent to clipboard ― Printed Capture all open tabs or provide a list of the URLs for grabbing
167 609 användare
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
145 771 användare
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
91 194 användare
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
85 652 användare
Web Developer
The Web Developer extension adds various web developer tools to the browser.
77 905 användare
