creates a javadoc-like html file for each javascript file it processes

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6 users

JSTools Menu Compatible with Firefox 57+

Firefox Webextensions - JSTools Menu

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3 users

Jump to tab number

Appends tab numbers to the front of each tab. Use Alt + 1 to 9 to jump to Tab. ALT+9 always selects the last tab.

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5 users

Jungle New Tab

Hang out in the jungle without leaving your browser!

*A high-res new tab experience
*Simple, highly visual layout, removing tiles from view
*Direct, convenient web search and features from a New Tab page

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0 users

Kansas State U New Tab

Customize your New Tab page and enjoy KSU images and links on every New Tab! Perfect for Wildcat fans!

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0 users

Katy Perry by MaDonna - Interactive Theme

This is a browser theme built especially for fans of Katy Perry! Designed by one of our theme artists, MaDonna. You will enjoy a great looking theme with links to Katy's sites.

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1 user

KBrowser Requires Restart

KBrowser by Optimal Access, let's you pin and save your tabs in groups. Pinned tabs are only opened when you click on them. Close tabs without deleting them. Instant access to all your favorites! Your World Organized.

Rated 5 out of 5 stars (7)
17 users

Keyboard Shortcut

Open a webpage by pressing a keyboard shortcut, e.g. CTRL-K for your search engine webpage.

Rated 4 out of 5 stars (3)
218 users

Keyboard Shortcut for Tab Duplication Compatible with Firefox 57+

Adds a keyboard shortcut, Alt+/, for tab duplication.

Rated 5 out of 5 stars (2)
34 users

Kill Quit

Makes ctr+q close the tab so that you cant accidentally quit.
works fine

Rated 4 out of 5 stars (7)
21 users


Stops pages from loading indefinitely.

Rated 4 out of 5 stars (33)
1,070 users

Kitkatbar Requires Restart

This is my first Firefox toolbar with kitkatbar button facility!

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1 user

KK Cedevita home

S ovim produzetkom postavljate za vasu pocetnu stranicu i novu karticu.

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0 users

KK Partizan Home

Sa ovim proširenjem postavljate za vašu početnu stranicu i novu karticu.

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58 users

Kongregate link 1.0.3

A simple link to Kongregate. Hope it works as it's my first one. Please rate and/or comment.

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2 users


Ta dodatek vam nastavi zacetno stran in nov zavihek na

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11 users

Kung Fu Panda Tribute New Tab

Po and the Kung Fu Panda gang on every new tab! Includes a convenient search box and other new tab features.

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1 user

L10n Workflow Compatible with Firefox 57+

Uma maneira mais rápida de acessar os sites utilizados para localizar/traduzir os produtos e projetos da Mozilla para o Português do Brasil.

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7 users


Легкое обучение английскому языку

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3 users

Last Selected Tab

Allow quick switch between last used tabs, the default hotkey is Control-.

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7 users