Browse extensions
Chrome, Firefox, and Edge
FOSS Redirect
Redirects various sites to their alternative free and open source frontends.
Technology Vocabulary Quiz
Test your understanding of key technology terms in English. Learn the definitions of important computer, software, networking, and information technology terminology through interactive quizzes.
FocusForge
Scientific focus management: block distractions, track sessions, and forge deep work habits with Pomodoro integration.
Twitter Blind Review
Hide names, handles, and profile pictures on Twitter/X to review tweets without bias and focus entirely on the content.
Nature Vocab Challenge
Boost your language skills with this engaging quiz! Translate Vietnamese nature-related words into English and expand your vocabulary in a fun way.
YouTube Cognition Agent
Structured summaries of YouTube videos with clickable timestamps.
osvauld
Open source credentials management tool
RH Machines — OpenSea Live
Live burn & royalty feed for RH Machines on OpenSea.
Preposition Quest
An interactive browser extension to practice translating Vietnamese prepositions into English, helping users master bilingual vocabulary through engaging quizzes.
GitHub Static Branch
Remove GitHub instructions that move your branches
stellar-cosmos-explorer
Explore astronomical wonders, stellar physics, deep space phenomena, and planetary science through an interactive cosmic popup challenge.
Cossplay
Live-edit coss ui theme variables on any website, from your side panel.
JiveKey
Quickly generate safe and reliable passwords with JiveKey.
Gourmet Plate Explorer
Discover culinary facts from around the globe. Decide whether world food facts are true or false before time runs out!
Minimal Wallpapers New Tab - Minimalist Wallpaper
HD minimal wallpapers for Chrome new tabs. Enjoy clean minimalist backgrounds, aesthetic designs and relaxing visuals.
Limit - Set Limits for Sites9
Limit your time spent on distracting sites. Limit is an extension that allows you to set time limits for distracting websites.
Basis
Unit prices on Loblaws, No Frills, Walmart.ca. One unit, in place. No tracking. Reports are opt-in.
JossWork
A simple extension for Hasslefree automated work attendance system. Existing internet connection is enough to get it done, no hardware setup required. Automatic attendance count when team members are connected to wifi with browser.
Change Paragraph Background
Addon thay đổi màu nền của các đoạn văn bản khi nhấp vào biểu tượng.
Salary Comparison & Offer Tracker
Track job offers and compare salaries.
Calm Focus Popup
A lightweight extension that displays a calm focus message when the popup is opened.
MyBestSim: eSIM comparator for travel
Type a destination, choose trip length and data use, and see matching travel eSIM plans compared by MyBestSim.
JJ Vault
Fill your logins, one time codes, cards, and addresses from your local JJ Vault.
Centurio Concursos
Acompanha seu desempenho em questões resolvidas online e registra acertos/erros no Centurio para revisão.
Gearloom Spinner
Tune gear sizes and speeds with radial dials; press run to see interlocked gears spin smoothly; reset restores defaults.
Civil (Protection)
Construit sur l'open source, le module Firefox désactive le protocole Hypertext Transfer Protocol (HTTP) avec un amoindrissement de contenu conçu pour un meilleur Web.
Quote Each
Wrap every search token in quotes so a phrase is treated as exact terms.
Leapp: Long Chained Web Session
Open AWS sessions generated by the leapp-long-chained-web-session plugin into separate containers.
U.S. - Metric Lengths
Convert U.S. imperial (inches, feet, miles) to metric (mm, cm, m, km) units with formulas.
Font Jumper
Letters jump across the page; press the correct key to catch the requested letter.
Explore by task
All collections- Ad blockers
Compare extensions that remove advertising from web pages, with links to their permissions and security findings.
- VPN and proxy extensions
Explore browser extensions with VPN or proxy connection features, then compare their access and published security reports.
- Password managers
Find extensions with password-vault features and review the permissions and security evidence behind each listing.
- Developer tools
Discover extensions for inspecting pages, working with API requests and testing websites, alongside their security reports.
- Reading and accessibility
Explore text-to-speech, reader-view and reading-aid extensions, with direct links to their permissions and security reports.