lookup
Fetches definitions from Cambridge Dictionary and Wikipedia. Double click or highlight the word and you will see the definition in the upper right corner with the link provided to the source.
96 users
NotExp
This extension converts OneNote notes to Xournal++ and RNote notes with only a few clicks required.
93 users
NMO-Helper
NMO-Helper — обучающий помощник при прохождении тестов НМО на edu.rosminzdrav.ru. Подсказывает, где вы могли ошибиться в выбранном варианте, и помогает разобраться в материале. Создан для самопроверки и обучения.
87 users
Trufflepiggy - Context Search
The context menu search for all of us: quick, easy & customizable. Best in class group-search: find on multiple sites at once! Supports favicons, omnibox & Firefox Sync. Select from 1000+ user generated searches or add your own. Video inside ➡️
83 users
WordGlance - Dictionary & Translation
Get instant dictionary definitions and translations for any text on any website! Just select text and click the book icon.
82 users
Paper Memory
Automatically record papers you read from Arxiv, OpenReview & more! Organize your library with tags, links to code and quick notes.
81 users
Persian RTL Fix for AI Chats
Fixes Persian (Farsi) right-to-left text rendering and improves readability in ChatGPT, Claude, Gemini and user-added custom sites.
80 users
Work Hub for Teams
Manage your team on this low profile client for Microsoft Teams. Meetings, calls, video available on mobile looking App.
79 users
Page Notes
Take notes for web pages and access them with a single click whenever you visit those web pages again. (Syncs to Google Drive)
79 users
Library Genesis OpenSearch Engine
OpenSearch engine for libgen.lc with a theme responsive icon.
78 users
Proxy Bibliothèque Polytechnique Montréal
Extension permettant de configurer automatiquement le proxy de la Bibliothèque Louise-Lalonde-Lamarre de Polytechnique Montréal, université d'ingénierie.
74 users
Trufflepiggy - Quick Search
The all-in-one search addon: just select and search. Find on multiple websites at once. Search via overlay, context menu or omnibar. Featuring anonymous profiles. Easy setup: select from 1000+ user generated searches. Cross-browser sync.
72 users
Epubespiar - Epub reader
A browser extension that allows you to read ePub files right in your browser
69 users
Etymonline
Select a word, right click, and choose Etymonline from context menu to look up its etymology seamlessly.
68 users
The Reading Ruler
A ruler that overlays a website to help you read. Helpful for people who struggle with reading and retaining information.
68 users
Trello Card Counter
An elegant and free web browser extension that directly integrates into all your Trello board to count the total number of cards in each list and across the whole board.
67 users
Udemy Speedup
Enhance your Udemy experience with custom playback rates and quick adjustments using '[' and ']' keys. Skip the 'Up Next' screen, lengthy intros, and outros effortlessly. Give it star on the github repo if you use it :)
67 users
Math symbols library
Open a popup with a set of often used mathematical symbols for quick copying into your clipboard with a press of a button and the ability to create upper and lower index text.
66 users
WaniKani Kanji Highlighter
Unofficial kanji highlighter, matching kanji learned with WaniKani.
65 users
Baidu Search Hub:China's Leading AI-Powered Engine
Set Baidu as your default search for the ultimate gateway to China’s web. Access ERNIE-powered AI briefings, real-time news, and localized services in 2026. The fastest way to find verified simplified Chinese content—start searching smarter today!
65 users
detektIIIF2
detektIIIF2 is a Firefox Add-on that automatically detects IIIF resources (https://iiif.io) in web pages and offers users a convenient way to collect and reuse them. detektIIIF2 is considered to be in beta state and licensed under the GPL V3.
65 users
RefSeek Search Engine
Search more than five billion documents, including web pages, books, encyclopedias, journals, and newspapers.
65 users
