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
58,904 users
Google Scholar Button
Lookup scholarly articles as you browse the web.
110,950 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
62,941 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.
24,581 users
LibKey Nomad
One-click access to millions of scholarly articles.
7,883 users
Oxford English Spellchecker
A spellchecker for Oxford English.
6,690 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.
3,765 users
Google Scholar search engine
Adds a search engine for Google Scholar (scholar.google.com).
3,407 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.
3,403 users
Spaywall - spay your paywall
Legally read news and research papers for free, on any device.
2,882 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.
2,468 users
Selectext: Copy Text from Videos
Copy text directly from videos on Youtube and any site
2,262 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.
2,236 users
Save Text To File
Save highlighted text to a file on your computer.
1,836 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,
1,836 users
Internet Archive Downloader
Download PDF books from Internet Archive
1,735 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
1,657 users
Chess.com analyse at lichess
Analyse chess.com game at lichess.org for free.
1,573 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
1,391 users
doqment PDF Reader
Firefox's PDF Viewer with Reader Mode: change the colours of PDFs while reading.
1,045 users
LibrusPro
Browser extension for the Polish Librus e-diary, introducing a dark theme, displaying grade point averages despite being disabled by the School Administrator, allowing to add custom events in the schedule and some minor improvements to its features.
900 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)
897 users
PaywallHub
PaywallHub Chrome Extension lets you have your favourite paywall removers all in the same place.
809 users
Diccionario RAE en bocadillo
Diccionario de la lengua española (DLE) en bocadillo, cuadro de búsqueda y ventana emergente. Acceda a la definición actualizada RAE-ASALE de una palabra con un simple doble clic o por menú contextual. Y sin salir de la página que visita o de un pdf
747 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.
610 users