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KoalaDev
7571f1986d
- _locales/es, pt_BR: renamed appDescription → appDesc (Chrome matches by key name) - _locales/es, pt_BR: removed extra key contextMenu_syncVideo not in baseline - _locales/pt_PT: merged Kaia's improved translation, deleted orphan pt/ duplicate - locales/ko: fixed BTN_REFRESH (Refreschi → 새로고침) and STATUS_CONNECTING corrupted char - locales/ja: fixed Korean character (의 → の) in LABEL_PUBLIC_ROOMS_TOOLTIP - locales/nl: fixed typo cmmuniceren → communiceren
KoalaSync Browser Extension
A Manifest V3 Browser Extension (Chrome & Firefox) for synchronized video playback across any website.
Key Features
- Manifest V3: Optimized Service Worker architecture with session persistence.
- Pure Vanilla JS: No external dependencies or heavy libraries.
- Smart Peer IDs: Hexadecimal IDs combined with customizable Usernames for easy identification.
- Dual Heartbeat: Advanced session tracking (Background) and video synchronization (Content) to prevent ghost sessions.
- Live Diagnostics: Built-in "Dev" tab for real-time video state debugging (ReadyState, CurrentTime, etc.).
- Dynamic i18n (Multi-Language): Fully localized in 6 languages (
en,de,fr,es,pt-BR,ru) with auto-detected fallback and dynamic on-the-fly language selectors.
Tab Overview
- Room: Manage connections, view active peers, and share invitation links.
- Sync: Control video playback (Play/Pause/Force Sync) and view recent activity.
- Settings: Customize your Username, toggle domain-based Noise Filtering, and switch the App Language.
- Dev: Monitor connection status and view real-time video element metadata for debugging.
Privacy & Permissions
KoalaSync requires <all_urls> permission to detect and interact with video elements (<video>) on websites.
- No Browsing History: We do not track or store your browsing history.
- State Management: Sensitive data (Room Passwords) is stored locally using
chrome.storage. - Zero Telemetry: No analytics or external tracking scripts.
- Zero Runtime Dependencies: The extension is built with pure Vanilla JS and contains no external libraries or tracking scripts, ensuring performance and privacy.
Installation
- Prepare Extension: From the repository root, run:
node scripts/build-extension.js - Open Chrome and go to
chrome://extensions/. - Enable Developer mode (top right).
- Click Load unpacked and select the
dist/chromefolder.
Development
If you modify shared/constants.js, you must synchronize the changes by running the build script from the root:
node scripts/build-extension.js
This ensures that the extension/shared folder is updated with the latest protocol constants.