"rule" keyword - Firefox add-on

View results for rule in Firefox Browser Add-ons
Keyword difficulty: 10

Keywords are the words and phrases that users enter into Firefox Browser Add-ons to search to discover a Firefox add-on. High ranking keywords will generate higher impressions. Paid members can use our add keyword form to add more keywords to be tracked.

250 results. Page 1 of 10.
Prevent eye strain with the 20-20-20 Rule reminder.
#2

Imagus

With a simple mouse-over you can enlarge images and display images/videos from links.
#3

ruler

Simple tool for measuring arbitrary parts of a page. Does not and will never contain adware.
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
A very dark Persona to show how the world is ruled by one little fox.
Measure page elements size in pixel with an easy-to-use ruler.
Removes all Ads and banners with simple regular expression rules.
Customize web requests by coding JavaScript yourself.
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
Draw a grid view, get page dimensions in pixel (px) unit and draw a rule
Create rulers and grids overlays to help develop your web applications
vinyl really rules !
Highlights the line of text you are reading.
#14

rule34

rule34 firefox theme lol
#15

Ruler

Add a ruler below your mouse to help read long lines. Fired by ctrl+click
#16

Feedbro

Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source.
Removes tracking elements from URLs
A ruler for measure something in a website. Just press Alt button in a website and move your mouse.
一款支持吸附页面元素的网页测量工具
Calulate rule of 3 math problems effortlessly!
An easy-to-use tab reloader with custom reloading time settings for individual tabs
Download files with Internet Download Manager
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The one ring to rule them All!
250 results. Page 1 of 10.