Real-time AI dubbing and subtitle player. Supports dubbing for Netflix, YouTube, and more with instant translation.
Users
826
+87 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#35K
#29K among extensions
Version
2.5.2
updated 13 Oct 2026
Users
monthly, 6 months
Latest, 16 Oct 2026:826 usersMove the mouse over the chart for any month
Ratings count
monthly, 6 months
Latest, 16 Oct 2026:2 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About OmniDub: AI Subtitle Dubbing
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!
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🌟 OVERVIEW: REAL-TIME SUBTITLE TRANSLATION & DUBBING
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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.
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⚡ WHY CHOOSE OMNIDUB?
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✔ 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.
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🚀 KEY FEATURES
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1. INTELLIGENT SUBTITLE DETECTION
• 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.
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🛠 TECHNICAL HIGHLIGHTS
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• 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.
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📖 QUICK START GUIDE
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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!
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🛡 DISCLAIMER & PRIVACY
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• 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)