Notes by Firefox
Displays a sidebar that lets you take notes on web pages.
23.124 Benutzer
Switch Container
Allows to switch the current tab to a different container.
1.415 Benutzer
Link Redirect Trace
Perform advanced, comprehensive and most important correct analysis of links, redirects, and REL-canonicals. Use this extension for your SEO analysis, On page SEO, Off page SEO, competitor analysis and more.
3.645 Benutzer
Enforce Browser Fonts
Enforce browser fonts easily instead of letting websites use their own fonts. Easily toggle between browser fonts and website fonts by clicking on addon toolbar icon or its keyboard shortcut (Alt-Comma).
254 Benutzer
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
78.050 Benutzer
Link Cleaner+
Clean URLs before opening a link, removes trackers, rewrites redirects pages such as of amazon, facebook, steam, reddit (more to come!) and AMP urls.
990 Benutzer
Link Cleaner
Clean URLs that are about to be visited: - removes utm_* parameters - on item pages of aliexpress and amazon, removes tracking parameters - skip redirect pages of facebook, steam and reddit
3.039 Benutzer
Facebook™ Direct Links
Remove the redirect links from Facebook's external links
165 Benutzer
Page Performance Test
Get accurate performance timing for any page with this WebExtension
752 Benutzer
Save webP as PNG or JPEG (Converter)
Convert any image (WebP, AVIF, etc.) to PNG or JPEG (with choice of quality) for downloading. Right-click context menu calls up format options overlaid on the image. Read the detailed description and check the screenshots for more info.
62.260 Benutzer
Responsively Helper
An extension to open current browser page in Responsively app
1.321 Benutzer
YouTube Video and Audio Downloader (WebEx)
Download YouTube videos in all available formats and extract the original audio files
138.077 Benutzer
Tree Style Tab
Show tabs like a tree.
204.765 Benutzer
Want My RSS
RSS featutes for Firefox
3.178 Benutzer
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
1.224 Benutzer
Grammatik- und Rechtschreibprüfung - LanguageTool
LanguageTool ist eine freie Textprüfung für Grammatik, Stil und Rechtschreibung.
345.505 Benutzer
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.
2.116 Benutzer
HeadingsMap
The extension generates a document-map or index of any web document structured with headings and/or with sections in HTML 5. It shows the headings structure, the errors in the structure (ie. incorrect levels), and it works as HTML5 Outliner too.
5.310 Benutzer
OpenLink Structured Data Sniffer
Adds structured data discovery and handling of multiple content-types to your browser. Reveals Structured Metadata embedded within HTML pages in notations including POSH (Plain Old Semantic HTML), Microdata, JSON-LD, RDF-Turtle, and RDFa.
377 Benutzer
OpenLorem
Lorem Ipsum filler text for web developers. Uses Loripsum, Bacon Ipsum and Dino Ipsum APIs to retrieve customized text. Insert into fields using context menu. Source code is available on Github.
1.356 Benutzer
SVG Gobbler
Download and optimize icons, logos, and vector SVGs from websites. SVG Gobbler hunts down the SVG content in your current tab, highlights unique attributes about it and gives you the option to download or copy to clipboard.
3.028 Benutzer
BookmarksDropDown
Causes a clickable menu of current Bookmarks Toolbar items to appear when the mouse pointer is above the Firefox viewport (the area which displays web content).
76 Benutzer
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
64.203 Benutzer
SEO META 1 COPY
This is an extension that allows you to easily check SEO-related meta information and copy it with one click.
2.530 Benutzer