According to AlphaMoat, as of 2026-09, the Chrome extension OmniDub has 773 users (+17.8% MoM), rated 5 (2 reviews) — ranked #1,858 of 9,324 AI browser extensions, and #102 of 333 in Audio.
What is OmniDub
Real-time AI dubbing and subtitle player. Supports dubbing for Netflix, YouTube, and more with instant translation. OmniDub: Real-Time Subtitle Dubbing & Video Translator
A FREE, FAST, and CONVENIENT browser extension for subtitle translation and automatic real-time AI voice-over (TTS) across your favorite video streaming and online learning platforms!
══════════════════════════════════════════ 🌟 OVERVIEW: REAL-TIME SUBTITLE TRANSLATION & DUBBING ══════════════════════════════════════════ OmniDub is an all-in-one browser extension designed to break language barriers in online video content. No complicated setups or expensive subscriptions required. With just a single click, OmniDub automatically detects, translates, and reads subtitles aloud using natural-sounding AI voices, letting you seamlessly enjoy global movies, anime, tutorials, and courses.
══════════════════════════════════════════ ⚡ WHY CHOOSE OMNIDUB? ══════════════════════════════════════════ ✔ 100% Free: Enjoy full translation and voice-over features without hidden costs or paywalls. ✔ Instant & Synchronized: Detects and translates subtitles in real-time as the video plays. ✔ Human-Like Voices: Integrated with advanced neural TTS and offline voice models for expressive, fluid, and natural voice-overs. ✔ On-Screen Floating Button: Quick access directly on the video player without having to click the browser toolbar.
══════════════════════════════════════════ 🚀 KEY FEATURES ══════════════════════════════════════════
1. INTELLIGENT SUBTITLE DETECTION
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- Broad Compatibility: Works smoothly on major video streaming sites, anime platforms, and educational portals.
- Smart Stream Capture: Automatically intercepts and parses streaming subtitle tracks and dynamic web video players without CORS errors.
- Shadow DOM & Iframe Support: Deeply inspects modern web player architectures to capture subtitles that standard extensions miss.
2. REAL-TIME AI DUBBING (TTS)
- Natural Voice-Overs: High-quality speech synthesis featuring expressive neural TTS and offline ONNX models.
- Smart Synchronization: Audio dubbing is precisely matched with the video player's timeline, automatically adjusting when seeking forward or backward.
- Adjustable Speed & Tone: Easily adjust playback rate (recommended: 1.4x - 1.5x) and select your preferred voice pitch.
3. ADVANCED TRANSLATION & SUBTITLE TOOLS
- Instant Translation: Translates subtitles into your desired target language on the fly.
- Online Subtitle Search: Built-in search engine to find and download subtitles directly for movies and TV series.
- Subtitle Translator Tool: Built-in offline subtitle editor to batch translate and export subtitle files.
- Custom Subtitle Upload: Upload your own external subtitle files or paste text directly into the player.
4. USER-FRIENDLY INTERFACE & CONTROLS
- Modern & Clean UI: Intuitive popup panel and floating widget supporting multiple languages (English, Vietnamese, etc.).
- Handy Shortcuts: Quick toggle with Alt + Shift + R (Windows/Linux) or ⌘ + Option + R (macOS).
- Auto-Activation Whitelist: Automatically activate dubbing on your favorite websites.
══════════════════════════════════════════ 🛠 TECHNICAL HIGHLIGHTS ══════════════════════════════════════════
- Manifest V3 Architecture: Built on the latest Chrome extension standards for maximum speed, security, and battery efficiency.
- Offscreen Document API: Handles audio processing and TTS decoding seamlessly in the background without causing page lags.
- High Privacy: Runs processes locally whenever possible. We do not track, collect, or sell your personal browsing history.
══════════════════════════════════════════ 📖 QUICK START GUIDE ══════════════════════════════════════════ 1. Install OmniDub from the Chrome Web Store. 2. Open any video on your favorite streaming or learning website. 3. Click the OmniDub icon on your toolbar (or the on-screen floating button). 4. Choose your target language and preferred voice, then enjoy your dubbed video!
══════════════════════════════════════════ 🛡 DISCLAIMER & PRIVACY ══════════════════════════════════════════
- Disclaimer: OmniDub is an independent extension and is not affiliated with, endorsed by, or sponsored by any third-party video streaming services. All trademarks belong to their respective owners.
- Privacy: OmniDub only requests minimum permissions necessary to interact with video players and save user settings.
- Developed by: Nguyen Quang Minh (ngquangminh2128)
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.