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InstDub — Your Language. Every Video.

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Overview

Instantly turn YouTube videos into natural speech in your language. Real-time AI translation and dubbing.

InstDub is the ultimate AI-powered video translator and dubber for YouTube. Press play in English, listen in Mandarin, Spanish, Arabic, or 18+ other languages with natural voice synthesis. Why InstDub? • Real-time translation — get subtitles as you watch • Natural AI dubbing — never robotic, choose voice that matches content • Works on any YouTube video — no download needed, all processing in the cloud • Privacy-first — your data is never sold How it works 1. Open a YouTube video 2. Click the InstDub floating button 3. Choose your target language 4. Get instant subtitles + optional AI dubbing 5. Hit play — audio syncs with the video Features • 18+ target languages • Natural voice synthesis (Volcengine / Gemini TTS) • Auto voice matching based on video content • Smart caching for instant replay • Ducking — original audio lowers during dubbing • Speed control without pitch distortion Free vs Pro Free: 2 hours/week, 6 hours/month cap Pro ($9.9/month): 90 hours/month, all voices Ultra ($19.9/month): 180 hours/month, priority support Privacy Your videos are processed in real-time and never stored. Account data is yours to export or delete anytime. Read our full policy: https://instdub.com/privacy Support Email: support@instdub.com

Details

  • Version
    1.0.0
  • Updated
    August 5, 2026
  • Features
    Offers in-app purchases
  • Offered by
    polaris.xp
  • Size
    344KiB
  • Languages
    English
  • Developer
    Email
    support@instdub.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

InstDub — Your Language. Every Video. has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

InstDub — Your Language. Every Video. handles the following:

Personally identifiable information
Financial and payment information
Authentication information
Location
User activity
Website content

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, please open this page on your desktop browser

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