Dark Reader
Mörkt läge på alla webbplatser. Ta hand om dina ögon och använd ett mörkt tema för att surfa på natten och dagen.
1 290 910 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.
1 018 534 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.
215 181 användare
Stylus
Style:a om webben med Stylus, en användarstils-hanterare. Stylus låter dig enkelt installera teman och skal för många populära sidor.
135 173 användare
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
104 820 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.
102 174 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.
89 053 användare
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
77 365 användare
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
58 027 användare
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
33 561 användare
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
24 079 användare
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
20 381 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.
16 766 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.
183 301 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
163 795 användare
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
142 031 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.
90 296 användare
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
85 191 användare
Web Developer
The Web Developer extension adds various web developer tools to the browser.
75 953 användare
