Web Archives
View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.
67,465 位使用者
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
7,873 位使用者
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
73,442 位使用者
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.
50,284 位使用者
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.
28,260 位使用者
Linguist - web pages translator
翻译网页，选中文本并翻译，Netflix字幕，私人信息，朗读翻译后的文本，并将重要翻译存入个人词典以学习130种语言的单词。
15,005 位使用者
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.
13,494 位使用者
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
3,968 位使用者
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.
3,270 位使用者
doqment PDF Reader
Firefox's PDF Viewer with Reader Mode: change the colours of PDFs while reading.
2,894 位使用者
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.
2,627 位使用者
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
1,860 位使用者
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
1,810 位使用者
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.
1,466 位使用者
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.
1,453 位使用者
