DualSub — Dual Subtitle Translator

Tracking since May 7, 2026.

Changelog

• May 30, 2026
  description

  Learn any language faster with real-time dual subtitles on Netflix, Prime Video, and YouTube.
  
  DualSub displays the original video subtitle on top (in gold) with your chosen translated language immediately below. Whether you are learning Spanish, Japanese, French, or any other language, DualSub makes it easy to understand every word without losing the context of the scene.
  
  ✨ KEY FEATURES:
  
  Universal Translation: Select from dozens of source and target language pairs directly in the extension popup.
  
  Platform Support: Works flawlessly on YouTube, Netflix, and Amazon Prime Video.
  
  Word Hover Dictionary: Pause the video and hover your mouse over any specific word in the original subtitle to see its exact, individual translation.
  
  Fast & Lightweight: Runs entirely inside your browser with no lag.
  
  Privacy First: No account required, no login, and absolutely zero data collection or tracking.
  
  HOW TO USE:
  
  Click the DualSub puzzle piece icon in your Chrome toolbar to open the settings.
  
  Select the video's original language (Source) and your native language (Target), then click Apply.
  
  Open a video on YouTube, Netflix, or Prime Video and turn on the native subtitles (CC).
  
  DualSub will automatically detect the text and add your translations right underneath!
  
  FREE & OPEN:
  DualSub is a 100% free educational tool built for language learners worldwide.

  Learn any language faster with real-time dual subtitles on Netflix, Prime Video, and YouTube.
  
  DualSub displays the original video subtitle on top (in gold) with your chosen translated language immediately below. Whether you are learning Spanish, Japanese, French, or any other language, DualSub makes it easy to understand every word without losing the context of the scene.
  
  ✨ KEY FEATURES:
  
  • Universal Translation: Select from dozens of source and target language pairs directly in the extension popup.
  • Platform Support: Works flawlessly on YouTube, Netflix, and Amazon Prime Video.
  • Word Hover Dictionary: Pause the video and hover your mouse over any specific word in the original subtitle to see its exact, individual translation.
  • Fast & Lightweight: Runs entirely inside your browser with no lag.
  • Privacy First: No account required, no login, and absolutely zero data collection or tracking.
  
  HOW TO USE:
  
  1. Click the DualSub puzzle piece icon in your Chrome toolbar to open the settings.
  2. Select the video's original language (Source) and your native language (Target), then click Apply.
  3. Open a video on YouTube, Netflix, or Prime Video and turn on the native subtitles (CC).
  4. DualSub will automatically detect the text and add your translations right underneath!
  
  FREE & OPEN:
  DualSub is a 100% free educational tool built for language learners worldwide.

• May 30, 2026
  permissions

  activeTab, tabs, storage

  activeTab, storage

• May 11, 2026
  description

  Learn German faster by watching videos with dual subtitles.
  
  DualSub displays the original German subtitle on top (in gold) with the English translation immediately below — on YouTube, Netflix, and Amazon Prime Video.
  
  FEATURES:
  - YouTube: loads automatically — no CC button needed
  - Netflix & Amazon Prime: enable German subtitles in the player, English appears below
  - Word hover: pause the video and hover any German word to see its exact translation
  - Works on any website with a video player
  - No account required — runs entirely in your browser
  - Zero data collection or tracking
  
  HOW TO USE:
  1. Open any German YouTube video — dual subtitles appear automatically
  2. For Netflix/Prime: select German in the subtitle settings, then our overlay adds English below
  3. Hover a German word while paused to see its individual translation
  
  Free to use.

  Learn any language faster with real-time dual subtitles on Netflix, Prime Video, and YouTube.
  
  DualSub displays the original video subtitle on top (in gold) with your chosen translated language immediately below. Whether you are learning Spanish, Japanese, French, or any other language, DualSub makes it easy to understand every word without losing the context of the scene.
  
  ✨ KEY FEATURES:
  
  Universal Translation: Select from dozens of source and target language pairs directly in the extension popup.
  
  Platform Support: Works flawlessly on YouTube, Netflix, and Amazon Prime Video.
  
  Word Hover Dictionary: Pause the video and hover your mouse over any specific word in the original subtitle to see its exact, individual translation.
  
  Fast & Lightweight: Runs entirely inside your browser with no lag.
  
  Privacy First: No account required, no login, and absolutely zero data collection or tracking.
  
  HOW TO USE:
  
  Click the DualSub puzzle piece icon in your Chrome toolbar to open the settings.
  
  Select the video's original language (Source) and your native language (Target), then click Apply.
  
  Open a video on YouTube, Netflix, or Prime Video and turn on the native subtitles (CC).
  
  DualSub will automatically detect the text and add your translations right underneath!
  
  FREE & OPEN:
  DualSub is a 100% free educational tool built for language learners worldwide.

• May 11, 2026
  short_description

  Learn German with real-time English dual subtitles on Netflix, Prime Video, and YouTube.

  Real-time dual subtitles on Netflix, Prime Video, and YouTube. Translate any language pair instantly.

• May 11, 2026
  name

  DualSub — German + English Subtitles

  DualSub — Dual Subtitle Translator

Permissions & access

Permissions

activeTabstorage

Host access

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Screenshots