Dualsub

Dual Subtitles for YouTube

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Dual Subtitles

Displays original and translated subtitles side by side, allowing flexible pairing of original and translated languages, as well as human-generated and machine-generated subtitles.

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Machine Translation

Features a context-aware translation mode specifically designed for subtitle translation, resulting in translations with more natural sentence breaks, aligning more accurately with the originals.

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Speech Recognition

Powered by the OpenAI Whisper model, subtitles are generated in just a few seconds, structured as coherent clauses, and punctuated.

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Efficient and Flexible

Using the segmented processing strategy, machine-generated subtitles are processed on demand as the playback progresses. The subtitles are displayed in coherent clauses, synchronized with the audio without delay.

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Broad Website Support

Supports YouTube, Netflix, Disney+, and over 20 other video websites.

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Multiple Platform Compatibility

Compatible with browsers supporting the Manifest V3 extension specification, runs on Android and iOS devices.