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
53,696 个用户
Google学术搜索按钮
可让您在浏览网页时查询学术文章。
113,776 个用户
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
58,676 个用户
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.
23,572 个用户
LibKey Nomad
One-click access to millions of scholarly articles.
7,685 个用户
Oxford English Spellchecker
A spellchecker for Oxford English.
3,913 个用户
AddToAny: Share Anywhere
Share to Facebook, Twitter, WhatsApp, email, and any other sharing or saving service quickly and easily with one share button.
3,579 个用户
Google Scholar search engine
Adds a search engine for Google Scholar (scholar.google.com).
3,310 个用户
Spaywall - spay your paywall
LEGALLY read paywalled news articles on the web for free. Have your paywalls spayed or neutered!
3,037 个用户
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.
2,986 个用户
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,
2,312 个用户
Selectext: Copy Text from Videos
Copy text directly from videos on Youtube and any site
2,201 个用户
Save Text To File
Save highlighted text to a file on your computer.
2,043 个用户
Get Papers with Code Everywhere - CatalyzeX
🧑💻 Get implementation code for research papers directly on Google Search, ArXiv, Scholar, Twitter, Github, PubMed, IEEE, and more
1,567 个用户
Chess.com analyse at lichess
Analyse chess.com game at lichess.org for free.
1,428 个用户
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
1,225 个用户
Internet Archive Downloader
Download PDF books from Internet Archive
874 个用户
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)
724 个用户
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.
682 个用户
Panel for Google™ Scholar
Easy access to Google Scholar right from Firefox's toolbar.
583 个用户
Citace PRO
Slouží pro vytvoření a uložení citace. Po kliknutí na tlačítko v liště se zobrazí citace webové stránky otevřené v tabu a všech zdrojů obsažených v dané stránce. Citaci lze zkopírovat nebo uložit jako záznam do Citace PRO.
505 个用户
可可翻译
可高度自定义的网页内划词翻译、提供更多展示选择的网页翻译、能方便地对单词进行分类的翻译收藏,可可翻译专注于提供更好的翻译体验。
501 个用户
Web for Messages plus Duo
Access to Chat - Android Messages on Desktop Computer. Android Messages for Web. Send SMS, view contacts. RCS.
485 个用户
ChatGPT Optimizer - Improve AI
Bring the Chat GPT interface and features on a new level!
420 个用户
Chat and Meet for Hangouts
Access to Hangouts Chat and Hangouts Meet in a single App. Minimalistic and easy to use interface. All features available.
399 个用户