Web Archives
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive․is, Google, Bing and Yandex
58,131 users
Google Scholar Button
Lookup scholarly articles as you browse the web.
110,742 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
61,771 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.
24,076 users
LibKey Nomad
One-click access to millions of scholarly articles.
8,124 users
Oxford English Spellchecker
A spellchecker for Oxford English.
6,230 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.
4,644 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.
3,444 users
Google Scholar search engine
Adds a search engine for Google Scholar (scholar.google.com).
3,409 users
Spaywall - spay your paywall
Legally read news and research papers for free, on any device.
2,833 users
DeepDyve Plugin
The DeepDyve plugin seamlessly connects your favorite search engines with your DeepDyve Library through your DeepDyve account. Search, organize and access articles from PubMed, Google Scholar and across the web through your DeepDyve account.
2,568 users
Selectext: Copy Text from Videos
Copy text directly from videos on Youtube and any site
2,197 users
Superpower ChatGPT
ChatGPT with superpowers! Sync/search history locally, create folders, export all chats, pin messages, favorite prompts, Change tone/writing style, see archived chats, access thousands of prompts, customizable power prompts, read daily newsletter,
1,871 users
Save Text To File
Save highlighted text to a file on your computer.
1,864 users
AI Code Finder & Alerts for Papers: CatalyzeX
🧑💻 Get implementation code for research papers directly on Google Search, ArXiv, Scholar, Twitter, Github, PubMed, IEEE, and more
1,615 users
Internet Archive Downloader
Download PDF books from Internet Archive
1,582 users
Chess.com analyse at lichess
Analyse chess.com game at lichess.org for free.
1,524 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
1,380 users
doqment PDF Reader
Firefox's PDF Viewer with Reader Mode: change the colours of PDFs while reading.
1,006 users
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.
866 users
Table to CSV
Save HTML Tables, CSS Pseudo/DIV Tables or Lists (UL/OL) as a comma seperated values (CSV) file which can be opened with any spreadsheet processor (e.g. excel, libreoffice-calc,gnumeric) for further processing and conversion (e.g. to xls or ods)
853 users
IP Whois
View info about IP, DNS records, SSL, country flag, domain whois, location, stats and more of any website.
653 users
Break Down the Walls
Break Down the Walls is an extension to help you access information more easily. If you use Sci-hub and Library Genesis a lot, you will love it.
593 users
PaywallHub
PaywallHub Chrome Extension lets you have your favourite paywall removers all in the same place.
591 users
Panel for Google™ Scholar
Easy access to Google Scholar right from Firefox's toolbar.
545 users