Web Archives
View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.
66 916 användare
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
7 449 användare
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
71 652 användare
PrintFriendly - Print, PDF, and Screenshot
Make web pages printer-friendly, convert to PDFs, or capture full page screenshots. Remove ads for clean pages ready to print or save as PDFs.
49 186 användare
British-English Dictionary (GB)
A strict British-English spell checker dictionary for Firefox, Thunderbird and SeaMonkey. This dictionary only includes words conforming to the preferred standard of British-English spelling.
28 012 användare
Linguist - web pages translator
Translate web pages, highlighted text, Netflix subtitles, private messages, speak text, and save important translations to your personal dictionary to learn words in 130 languages.
14 607 användare
Tasks for Canvas™
A better to-do list sidebar for Canvas. The Tasks browser extension for Canvas™ updates the Canvas dashboard sidebar to show all of your weekly assignments and track your progress throughout the week.
11 491 användare
AI Toolbox
Ultimate AI assistant! Access all AIs anywhere and boost your productivity: ChatGPT, Gemini, DeepSeek, Grok, Copilot, Claude, Llama, Qwen, Mistral AI, Perplexity, Poe, Narrow AIs and much MORE! 💖 No user information is collected by the developer
3 909 användare
Google Scholar search engine
Adds a search engine for Google Scholar (scholar.google.com).
3 195 användare
Voila – AI Assistant, Copilot and AI Writer
Seamless personal AI assistant powered by GPT-4o to help you create, write, summarize, brainstorm, and research Get things done with a simple keyboard shortcut – Improve your writing, get answers to all your questions and draft high-quality content.
3 153 användare
doqment PDF Reader
Firefox's PDF Viewer with Reader Mode: change the colours of PDFs while reading.
2 930 användare
AddToAny: Share Anywhere
Share to Facebook, Mastodon, WhatsApp, Telegram, LinkedIn, Teams, Threads, email, and any other sharing or saving service quickly and easily with one share button.
2 578 användare
Backspace Enabler
Re-enable disabled by default ability to hit the Backspace key to go back to the previous page. Backspace Enabler gets this functionality, while keeping ability to delete text while in text box. PLEASE POST FEEDBACK / REVIEW
1 845 användare
Superpower ChatGPT
Add Folders, Search, Export, Prompts Manager, Prompt Optimizer, Minimap, Gallery, Notes, Reference Chats, Model Switcher, Pinned Messages, Public Prompt Library, Favorite Prompts, Timestamps, and many more features to ChatGPT
1 753 användare
Selectext: Copy Text from Videos
Copy text directly from videos on Youtube and any site
1 685 användare
LibrusPro
Rozszerzenie do Librusa wprowadzające ciemny motyw, liczące % frekwencji i średnie ocen, mimo ich wyłączenia przez Administratora, pozwalające na dodawanie własnych wydarzeń w terminarzu wraz z wieloma usprawniami funkcjonalności i wyglądu dziennika.
1 456 användare
DeepDyve Plugin
DeepDyve Plugin is now DeepDyve LitHub Connect. Same extension, new name.
1 451 användare
Wordtune: AI Writing, Paraphrasing & Grammar Tool
With Wordtune, your AI writing companion, you can easily paraphrase, rewrite, correct grammar and more — all for free. In just a few clicks, you can turn your scattered thoughts into exactly what you want to say and streamline your writing process.
1 435 användare
