Web Archives
View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.
69,257 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
7,571 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
76,178 users
PrintFriendly - Print, PDF & Full Page 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.
52,256 users
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.
31,216 users
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.
13,186 users
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.
12,253 users
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
4,349 users
Definer: Word Translator, Ask AI, Popup Dictionary
Select text to translate, define, or ask AI. A word translator and dictionary extension for webpages, PDFs, and EPUBs.
4,023 users
doqment PDF Reader
Firefox's PDF Viewer optimised for sustained reading: change PDF colours, smart zoom and more.
3,255 users
Google Scholar search engine
Adds a search engine for Google Scholar (scholar.google.com).
3,113 users
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.
2,885 users
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.
2,461 users
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
1,936 users
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
1,651 users
PDF Dark Mode Reader
Read PDFs in dark mode with multiple themes. Reduce eye strain and read comfortably. 100% local processing — your files never leave your device.
1,589 users
Z-Library url Finder
Access Z-Library in just one click. This extension will redirect you to an available library website in seconds.
1,578 users
