Web Pro
Design, develop, maintain and search web pages even more elegant and agile: • sketch • script • validate • debug • analyze • optimize • monitor • compare • grab • record • look up.
- 17
- Add-ons
- webilu
- Creator
- May 21, 2021
- Last updated
Link Alert
Displays an icon in the tooltip or next to the cursor indicating the target of a link.
Rated 4.4 out of 5Conlan Wesson
1,149 users
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
Rated 4.2 out of 5Anthony Lieuallen
197,194 users
122,614 users
Open With
Quickly test out your web pages in Chrome, Edge, Safari, or Opera. Open With opens the current page in your other browsers with just two clicks.
Rated 3.6 out of 5Geoff Lankow
4,427 users
G App Launcher (Google™ Shortcuts)
Previously known as Google™ Shortcuts.Display all Google services as buttons or as a space-saving dropdown menu next to your address bar. Reach services like Gmail, Google Drive, Maps, Calendar, and many more in a single click from your browser.
Rated 4 out of 5Carlos Jeurissen
8,238 users
Flagfox
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
Rated 4.6 out of 5Dave G
116,844 users
WCAG Contrast checker
Checks for compliance with the contrast levels of foreground and background colors combination based on the requirements of WCAG 2.2
Rated 4.2 out of 5Rumoroso
4,077 users
25,551 users
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.
Rated 4.7 out of 5Rumoroso
5,334 users
Update Scanner
Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.
Rated 4 out of 5sneakypete81
5,857 users
Foxy SEO Tool
Foxy SEO Tool offers tools for search engine optimization (SEO), web traffic and page analysis for webmasters and web professionals.
Rated 4 out of 5McNulty
540 users
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.
Rated 4 out of 5Eric
209,818 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
Rated 4.3 out of 5mig
1,962,321 users
Html Validator
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon For Firefox 56, use 0.974 (see all versions below). For Firefox 57, see Web Extensions.
Rated 4.2 out of 5Marc Gueury
9,145 users
212,918 users
Web Developer
The Web Developer extension adds various web developer tools to the browser.
Rated 4.3 out of 5chrispederick
92,279 users
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
Rated 3.9 out of 5Alex Sirota
149,971 users