Firefox add-on with keyword - definition

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.

#1 YouTube High Definition

Baris Derin

YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.

169,957

3.80 (1,331)

#2 Dictionary Anywhere

meetDeveloper

View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.

47,166

3.71 (498)

#3 Definitions.net

STANDS4

Get instant dictionary definitions for any word or term that hits you anywhere on the web!

515

4.64 (14)

#4 English Dictionary Anywhere - Definition PopUp

TheUnderdogCoder

English Dictionary is an extension that displays the definition of any word live and everywhere on the page you're browsing. Just toggle-on for the tab you want and double-click / select the word and you're good to go.

51

4.00 (6)

#5 Video DownloadHelper

mig

Download videos from the web. Easy, smart, no tracking.

1,937,805

4.29 (35,880)

#6 YouTube Anti Adblock Definitive Fix

Host

When confronted with ads or the notorious anti adblock pop-up, click on the extension, and you're done! No Adblock required! It effectively blocks ads and defeats YouTube's anti-adblock measures permanently.

239

4.83 (6)

#7 Definer - Dictionary, Translator, AI Assistant

Lumetrium

Smart popup assistant with translations, dictionary results, images, and AI insights powered by your preferred LLM provider and model.

1,553

4.66 (97)

#8 EZ Definitions

Muzial

Double-click any word to display the first few definitions in a pop-up bubble on cursor. Works with windows feature: Hold { ALT } while double-clicking a link/website/shortcut's word to select the text without opening the page.

3

0.00 (0)

#9 PopUpOFF

RomanistHere

Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.

45,048

4.40 (116)

#10 Laban dictionary

Laban.vn

Laban dictionary: Find definitions easily as a pop-up!

383

4.09 (22)

#11 Cnrtl

gibus

Get definition, synonyms, etymology of selected words with CNRTL website

1,074

4.74 (35)

#12 PhotoShow

Vincent W.

Hover over to zoom in and view high-definition images. Instantly enlarge visuals, crafted for all your favorite websites and you.

3,284

4.56 (91)

#13 Perapera Chinese Popup Dictionary

JorisKok

Put your mouse over any Chinese words on a webpage and it gives you the pronunciation and definition. Simple as that! As of version 2.1 PeraPera Chinese now supports Cantonese!

2,360

4.64 (25)

#14 Ogame Infinity (Dark Edition)

Spectrumforces

OGI - To Ogame's infinity and beyond! (Refix for ogame V8)

12

5.00 (1)

#15 Reload PAC button

timendum

A button to reload the PAC definitions

97

4.33 (6)

#16 Cambridge English Dictionary

Vin

A simple add-on to look up English definitions and pronunciations in Cambridge English Dictionary online.

479

4.67 (6)

#17 swag definition

japko

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-

0.00 (0)

#18 Zoom Page WE

DW-dev

Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.

25,545

3.84 (501)

#19 Definition Of Perfect

turboglorreich.

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-

0.00 (0)

#20 Auto HD/4k/8k for YouTube™

YouTube Auto HD

Automatically set your default YouTube™ video quality with this great new Auto HD, supporting high definition resolution HD/4k/8k. High definition for YouTube.

3,761

3.98 (61)

#21 Black Rock Shooter - BRS - Definitive

heru.xO1

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2

0.00 (0)

#22 Context Wiktionary

Firefox user 12186683

Select word, right click: look up definition/translate on Wiktionary Dictionary. A simple WebExtension that provides a context menu entry to look up selected word on the English Wiktionary. Opens results in a new tab next to the current one.

710

4.25 (12)

#23 toktogi

Brad McDermott

Toktogi is a popup Korean-English dictionary. Simply hover the mouse in front of a Korean word on a page and a box will pop up with the definition in English. Toktogi is inspired by the Japanese language learning extensions Rikaichan and Rikaikun.

520

5.00 (6)

#24 The Real Definition of MSCRE

Marvin W. Gittins, Jr.

Microsoft Certified Systems Engineer my foot! Why go to school to get my Microsoft certification when I already have my MSCRE (Microsoft Certified Reboot Expert)! This Persona is dedicated to all who have to install, again and again, any Microsoft operating system!

-

0.00 (0)

#25 The Free Dictionary

Farlex, Inc.

Double-click a word on any website and instantly get its definition at TheFreeDictionary.com, the world's most comprehensive dictionary! Or use the search bar to search directly from the browser toolbar.

341

4.40 (20)