web

by mauclair

15 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,797 reviews

21,424,751 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,828 reviews

2,221,569 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 262 reviews

349,652 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Web Developer by chrispederick

Rated 5 out of 5 stars 228 reviews

513,392 users

The Web Developer extension adds various web developer tools to the browser.

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 948 reviews

512,068 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 306 reviews

280,362 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

IE Tab by PCMan, yuoo2k

Rated 4 out of 5 stars 1,201 reviews

212,603 users

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

ColorfulTabs by Shivanand Sharma

Rated 4 out of 5 stars 1,002 reviews

262,546 users

The first addon you should be installing on a fresh Firefox install. A must have. The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 349 reviews

146,749 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

PDF Download by Nitro PDF Software

Download Now

Experimental

Rated 2 out of 5 stars 688 reviews

101,693 users

Use PDF Download to do whatever you like with PDF files on the Web. Regain control and eliminate browser problems, view PDFs directly in Firefox as HTML, and use the all-new Web-to-PDF toolbar to save and share Web pages as high-quality PDF files.

Html Validator by Marc Gueury

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Online HTML 5 validation, you need 0.962
http://users.skynet.be/mgueury/mozilla

AnyColor by Pavlos Touboulidis

Rated 4 out of 5 stars 487 reviews

1,860 users

Note from Mozilla: This add-on has been discontinued. Try Colorlicious instead.

Change Firefox to Any Color and create your own personalized theme.

Gmail Notifier by Doron Rosenberg

Rated 4 out of 5 stars 621 reviews

15,369 users

Note from Mozilla: This add-on has been discontinued. Try WebMail Notifier instead.

The original notifier for Gmail.

Splash! by mrtech, slyfox

Rated 4 out of 5 stars 104 reviews

8,146 users

Adds a splash screen to most Mozilla and Mozilla Based products. Supports sound, opacity, CSS customization, custom images, and much more. You can add {appVersion}, {buildID} and {userAgent} to the loading text and it will be filled in for you.

Send to Google Docs by labnol

Rated 2 out of 5 stars 23 reviews

31 users

View web documents in Google Docs without requiring any desktop software. It supports PDF, Microsoft Office and Open Office formats.

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