Web Archives
View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.
66,718 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
68,027 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.
14,004 users
doqment PDF Reader
Firefox's PDF Viewer with Reader Mode: change the colours of PDFs while reading.
3,049 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.
2,419 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.
1,276 users
codebox-一键复制代码/下载文章
本插件可以用于CSDN/知乎/脚本之家/博客园等网站,实现无需登录一键复制代码;支持选中代码;或者代码右上角按钮的一键复制;解除关注博主即可阅读全文提示;去除登录弹窗.
922 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
889 users
IP Whois
View info about IP, DNS records, SSL, country flag, domain whois, location, stats and more of any website.
854 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
607 users
Very Simple Notepad
This is a Very Simple Notepad. Good for everything. Just jot down your Ideas or notes so you don't forget them. Very helpful. Saves when you close it. Saves and works on all tabs. If you can support, please do so at PAYPAL.ME/USEFULPROGRAMMER
569 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.
535 users
WuCai - Highlight, Annotation and Note
WuCai lets you highlight, annotate and take notes on any webpage. Support multi-level tags and web clipping. With our highlight manager, organize notes efficiently, boost learning and work productivity, save time, and stay focused.
430 users
Citace PRO
The extension can generate and save citations. After opening the popup, the extension lists some information about the open web page, generates a citation for it, and lists all found DOI and ISBN sources.
423 users
Somtoday Mod
Adjust the appearance of Somtoday. Adds a dark mode, background images, fonts, colors and more.
344 users
Big Search
Handily use / switch search engines via a Flexible Tool. With some special technical features also. Definitly more than a GET/POST sender. Source code on Github. Vast search, search great! Breadth 🗺️ & Focus 👨💻
113 users
Baidu Search Hub:China's Leading AI-Powered Engine
Set Baidu as your default search for the ultimate gateway to China’s web. Access ERNIE-powered AI briefings, real-time news, and localized services in 2026. The fastest way to find verified simplified Chinese content—start searching smarter today!
64 users
Epubespiar - Epub reader
A browser extension that allows you to read ePub files right in your browser
57 users
