Education extensions
Security reviews of 317 Education browser extensions, each rated on what its code does when it runs.
Attendance for Google Meet™
Free Software Apps
CleanThis extension captures Google Meet attendance and creates dated records for meetings.
Coursology
Coursology
MediumCoursology sends selected text and tab screenshots to its AI API and stores user-uploaded files publicly on Vercel Blob storage.
DuoCards
DuoCards
CleanTranslate selected browser text and save words or phrases to a DuoCards deck.
lingopie-%E2%80%93-learn-language
Lingopie
LowLingopie intercepts Netflix and Disney+ subtitle tracks and sends the caption text to its own servers for translation.
Mazii: Japanese Dictionary & Translate
Language Learning
CleanLooks up and translates Japanese words and selected sentences while you browse.
Pangram AI Detection
Pangram Labs
CleanPangram AI Detection lets any website replace its saved Pangram session through an unauthenticated message bridge.
Relingo - Master vocabulary while browsing websites and watching YouTube
Lesslab
LowRelingo runs on every page and sends words and sentences you select to its own API and to third-party dictionary and translation services.
Snipo
Dmytro Nabok
MediumSnipo transmits a persistent user UUID and IP address to Mixpanel on every page load across all websites.
10ten Japanese Reader (Rikaichamp)
Birchill
CleanLooks up Japanese words on text pages with dictionary popups and reading support.
AI Math Solver & Calculator - Symbolab
MediumAMBOSS: Medical Knowledge Everywhere
AMBOSS
CleanThis extension adds pop-up explanations for medical terms on webpages you visit.
Auto Typer
hello
CleanAuto Typer sends user-enabled sentence rewrites to a Supabase function endpoint.
BeeLine Reader
BeeLine Reader
MediumBeeLine Reader sends the full URL of each active page to Google Analytics via a tracking pixel for free and trial users.
Klarway
Klarway
MediumKlarway continuously captures screen video, webcam footage, and audio during exams and transmits them to its backend, while broadcasting session credentials to all page scripts.
Leeco AI
Preplaced
MediumNotebookLM Quiz Exporter
keemanxp
CleanExports Google NotebookLM quizzes to document, spreadsheet, LMS, flashcard, and quiz formats.
Open Research Button
PaperPanda
CleanFinds free, legal PDF versions of academic papers from their DOI.
Pi Lens - Notes, PYQs, Quizzes and more on Youtube
Pi Lens Team
HighPi Lens reports authenticated YouTube playback progress to pi-lens-api.penpencil.co on play, seek, and page leave.
Pronounce Extension
Pronounce
LowPronounce records microphone audio on any website and streams it to its servers, and sends page domains to Mixpanel.
SmartSolve - AI Homework Tutor
SmartSolve
MediumSmartSolve captures screenshots and selected text from any tab and transmits them to api.smartsolve.ai, while suppressing browser events to conceal itself from exam platforms.
Cambridge Dictionary Lookup
Nam Nguyen Hoai
CleanCambridge Dictionary Lookup sends selected text to Cambridge Dictionary when you choose its lookup menu item.
Chess Helper (chess.com)
CleanChess Helper (chess.com) sends Chess.com board positions to stockfish.online for move recommendations.
Enable JavaScript
Free Useful Apps
CleanThis extension toggles JavaScript on or off for the current Chrome tab with a toolbar button.
French Accents
Mais
CleanThis extension lets you copy French accents and symbols without switching keyboard layouts.
Jenni
marc
MediumJobscan
Jobscan
MediumLeetCode Video Solutions
Soumya Ranjan Mohanty (geekysrm)
LowLeetCode Video Solutions renders video-search results from lvsapi.soumya.dev as HTML on LeetCode problem pages.
LibrusPro
Maks Kowalski
CleanLibrusPro fetches student profile, timetable, grade, and attendance records from Synergia for its Librus features.
NetflixDualSubtitle
niko
HighNetflix Dual subtitle for learning languages loads Netflix page code from Google Cloud Storage when a remote manifest enables it.
netflix-%E5%90%8C%E6%99%82%E5%AD%97%E5%B9%95%E3%81%A7%E8%8B%B1%E8%AA%9E%E5%AD%A6%E7%BF%92
niko
MediumNetflix 同時字幕で英語学習 stores a Google Sign-In ID token in Netflix page localStorage.
PDF Viewer
Free Software Utilities
CleanView PDF files in the browser and add simple edits like highlights and remarks.
Quizard AI - Homework Tutor
Quizard AI
CleanQuizard AI - Homework Tutor injects a Google Fonts stylesheet into pages where its content script runs.
Science Research Assistant
Science Research Tools
CleanThis extension helps search scientific sources and analyze selected webpage text for research.
t%E1%BB%AB-%C4%91i%E1%BB%83n-ti%E1%BA%BFng-nh%E1%BA%ADt-jp
Hoàng Hiệp
CleanTừ điển tiếng Nhật JP translates selected or hovered page text by sending it to Google Translate.
AIR MATH - Homework Helper (Solver on Web)
Riiid
CleanAIR MATH captures cropped visible-tab screenshots and uploads them to its AIR MATH storage service.
AnswersAi - Snap & Solve
answersai.com
CleanAnswersAi sends submitted chat prompts and solved question-and-answer content to Mixpanel analytics.
Convert Gmail™ to PDF (locally)
rynu.smith
CleanConverts Gmail messages and selected threads into PDF files locally.
Crowdly
undrfined
MediumEasy Quiz Poly
Truong Fi
CriticalEasy Quiz Poly captures login credentials and session cookies from supported school sites and sends them to api.quizpoly.xyz.
Jump Cutter
WofWca
CleanAutomatically skips or fast-forwards silent parts of videos in real time.
Kiwix JS
kiwix-js-publishers
CleanThis extension lets you read downloaded Kiwix ZIM archives offline in the browser.
Lofi Girl
Lofi Girl
LowLofi Girl contacts geolocation-db.com from its popup to infer the user's country on first open.
math-solver-for-chrome-%E2%80%93
mathsolverapp24
CleanMath Solver for Chrome uploads user-selected screenshot regions to Mathway Solver for OCR and problem solving.
Open with Google Docs
Free Software Extensions
CleanThis extension opens documents, spreadsheets, and presentations with Google Docs.
Oxford Dictionary Lookup
Nam Nguyen Hoai
CleanLook up selected text in Oxford Learner’s Dictionaries from the right-click menu.
Quizwiz
Quizwiz
LowQuizwiz lets any visited page command its content script to overwrite your clipboard text.
Read Pronunciation: English & French
The Developer of Read Pronunciation
CleanRead Pronunciation sends selected text and sentence context to proactive.im for AI pronunciation and flashcard features.
STUDY4
STUDY4
LowSTUDY4 lets webpages trigger extension-privileged dictionary lookups to its configured dictionary providers.
Snippet Highlighter - Web & PDF
Adolix
LowSnippet Highlighter accepts webpage messages that can create, edit, or delete signed-in snippets on gosnippet.com.
Sound Recorder
EonF Media SL
MediumSound Recorder loads a bundled ad SDK that reports the origin of every page you visit to a third-party ad server.
Translate
Sparsh
CleanTranslate sends user-selected page text to Google Translate when its context-menu translation action runs.
Translator - translation of selected text
chergav
LowTranslator sends selected text and a stored generated email identifier to MyMemory for translation.
Udemy Subtitle Translator - Yakuu
Orz99
CleanUdemy Subtitle Translator - Yakuu sends Udemy subtitle text to Google Translate for automatic translation.
ordbogen.com
Ordbogen A/S
CleanLook up selected words on ordbogen.com from Chrome.
Betterizer
Rob Noorda
CleanAdds keyboard shortcuts and focus improvements for grading in Canvas SpeedGrader.
FluentAI: Dual Subtitles for Netflix & more
FluentAI
LowFluentAI accepts page messages that can trigger authenticated translation requests.
Japanese Dictionary JP
Hoàng Hiệp
MediumJapanese Dictionary JP creates ezse.net grade links containing transcript and grade-table data from student pages.
Leetcode Explained
zjdevelops
CleanLeetcode Explained sends LeetCode problem text and editor code to OpenAI when you ask it to analyze or fix code.
Magicslide.app
MagicSlides App
CleanMagicslide.app sends the active tab URL or selected page image to MagicSlides services when you use its toolbar actions.
Test Bro - Smart Web Test Assistant, Exam Helper & Homework Quiz Solver
pidevex
CleanTest Bro sends selected text, LinkedIn quiz content, and selected screenshot regions to api.testbro.app for answers.