by Michelle

16 Add-ons in this Collection

Adblock Plus by Eyeo

Rated 5 out of 5 stars 7,663 reviews

11,889,931 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 4 out of 5 stars 2,701 reviews

803,590 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...

Web Developer by chrispederick

Rated 4 out of 5 stars 491 reviews

264,100 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 443 reviews

182,284 users

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

Awesome Screenshot Plus - Capture, Annotate & More by Diigo Inc.

Rated 4 out of 5 stars 1,969 reviews

264,283 users

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

Honey by Honey

Rated 4 out of 5 stars 765 reviews

313,872 users

Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.

OneTab by OneTab Team

Rated 4 out of 5 stars 803 reviews

70,562 users

OneTab - Too many tabs? Convert tabs to a list and reduce browser memory

Nimbus Screen Capture: Screenshot, Edit, Annotate by Nimbus Web

Rated 4 out of 5 stars 464 reviews

105,291 users

★ Used by Several Million users on different platforms ★
1) Screen capture web pages
2) Selected regions
3) Whole browser window
4) Slack upload
Edit screenshots. Save images as local files or Google Drive. Tools for Annotation. Upload and share

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 171 reviews

74,988 users

Wappalyzer is a browser extension that identifies software on websites.

Print Friendly & PDF by Print Friendly & PDF

Rated 4 out of 5 stars 200 reviews

44,966 users

Makes a Printer Friendly & PDF version of any webpage. Removes navigation, ads, and junk. Formats the page for print so you save paper and ink. Good for the environment and your wallet.

ColorfulTabs by Shivanand Sharma

Rated 4 out of 5 stars 1,301 reviews

85,974 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.

Webmail Ad Blocker by Jason Savard

Rated 4 out of 5 stars 257 reviews

49,114 users

Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 367 reviews

59,017 users

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

Image Zoom by Jason Adams

Rated 4 out of 5 stars 354 reviews

65,547 users

Adds zoom and rotation functionality for images...

Omnibar by Ajit K

Rated 4 out of 5 stars 433 reviews

8,883 users

Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.
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