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Reviewed tool profile

HearSub

Real-time YouTube subtitle translation with synchronized AI dubbing.

Checked Aug 23

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Pricing
Free plan
Available as
Browser extension
Primary group
Voice & Speech
Last reviewed
Checked Aug 23
HearSub website homepage at the last check
Website previewFixed desktop viewport · 1440 × 900

What it does

HearSub is a browser extension that translates supported YouTube videos during playback, showing bilingual subtitles and generating synchronized dubbing without requiring a full video upload.

Decision notes

Context-specific guidance, not a universal ranking.

Good fit if
you are watching YouTube in another language and need subtitles or dubbing now
Why this one
Works inside the viewing session, showing bilingual subtitles and synchronized dubbing without a separate full-video upload workflow.
Consider alternatives if
It is a browser-extension workflow for supported YouTube videos, not a general transcription or media-editing application.