SmartDub — YouTube Video Translator & Dubbing

Tracking since May 31, 2026.

Changelog

• Jun 6, 2026
  description

  SmartDub adds bilingual subtitles, AI translation, and dubbing to every YouTube video — no signup required to get started.
  
  What you get for free
  
  Bilingual subtitles on any YouTube video, forever free
  Free basic subtitle translation
  Free basic dubbing — hear the video in your target language without spending a cent
  Adjustable subtitle style: font size, color, position, and opacity
  Sidebar subtitle list with timestamps — click any line to jump to that moment
  One-click floating entry button on every YouTube video page
  
  Upgrade to Pro
  
  SmartDub Pro includes everything in Free, plus:
  Multi-tier AI dubbing · 50+ languages, 30+ voices, regional accents
  Smooth Dubbing — 500 min/month, high-quality AI voices
  Immersive Dubbing — 50 min/month, top-tier AI voice model
  Higher-quality AI translation: more accurate, more coherent, context-aware
  Local audio cache — replayed segments don't consume your quota
  Priority email support
  
  How it works
  1. Install SmartDub and open any YouTube video
  2. Click the SmartDub icon to open the side panel
  3. Select your target language — subtitles and translation appear instantly
  4. Switch to the Dubbing tab to start AI dubbing in one click
  
  Pricing
  SmartDub is free to install and use. Pro features are available via a paid subscription ($5.90/month or $55/year). All payments are handled securely through our website — SmartDub, not Google, is the seller. Refund policy and full terms are available at smartdub.io.
  
  Privacy
  SmartDub only runs on YouTube pages. We do not collect browsing history, personal data unrelated to the service, or sell user data to third parties. See our full privacy policy at smartdub.io/privacy.

  Watch any foreign-language YouTube video in your own language. SmartDub adds bilingual subtitles, AI-powered translation, and natural AI dubbing to every YouTube video — right inside the page, no signup required to get started.
  
  Whether you're learning a language, studying online courses, or just enjoying creators from around the world, SmartDub helps you translate and dub YouTube videos in seconds.
  
  ★ What you get for free
  • Bilingual subtitles on any YouTube video — forever free
  • Free basic subtitle translation into 50+ languages
  • Free basic dubbing — hear the video in your target language without spending a cent
  • Adjustable subtitle style: font size, color, position, and opacity
  • Sidebar subtitle list with timestamps — click any line to jump to that moment
  • One-click floating button on every YouTube video page
  
  ★ Upgrade to SmartDub Pro
  Everything in Free, plus:
  • Multi-tier AI dubbing — 50+ languages, 30+ voices, regional accents (English US/UK/AU/IN, Mandarin, Spanish, Portuguese, French, Japanese, Korean & more)
  • Smooth Dubbing — 500 min/month, high-quality AI voices
  • Immersive Dubbing — 50 min/month, top-tier AI voice model
  • Higher-quality AI translation: more accurate, coherent, and context-aware for interviews, dialogue, and long videos
  • Local audio cache — replayed segments don't consume your quota
  • Priority email support
  
  ★ How it works
  1. Install SmartDub and open any YouTube video
  2. Click the SmartDub icon to open the side panel
  3. Pick your target language — bilingual subtitles and translation appear instantly
  4. Switch to the Dubbing tab to start AI dubbing in one click
  
  ★ Pricing
  SmartDub is free to install and use. Pro features are available via a paid subscription ($5.90/month or $55/year). All payments are handled securely through our website — SmartDub, not Google, is the seller. Refund policy and full terms are available at smartdub.io.
  
  ★ Privacy
  SmartDub only runs on YouTube pages. We do not collect your browsing history, do not collect personal data unrelated to the service, and do not sell user data to third parties. Full privacy policy: smartdub.io/privacy.

• Jun 6, 2026
  short_description

  Subtitles, read-aloud & dubbing — understand any video

  Bilingual subtitles, AI translation & dubbing for any YouTube video — watch and understand foreign videos in your language.

Permissions & access

Permissions

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Host access

*://*.youtube.com/*

Screenshots