Life & fun · February 22, 2026
Language Shadow
Master languages on YouTube with AI-powered shadowing
What it does
Master pronunciation with AI-powered shadowing and dual subtitles on YouTube. Master languages naturally by watching your favorite YouTube videos. LanguageShadow adds dual subtitles and AI-powered pronunciation practice to YouTube.
Does the same job
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- ADAI dub tool I made to watch foreign language videos with my 7-year-old2024 · speakz.ai · ▲348
Hey HN! I love watching YouTube with my 7-year-old daughter. Unfortunately, the best stuff is often in English (we're German). So I made an AI tool that translates videos directly, using the original voices. All other sounds, as well as background music, are preserved, too. Turns out that it works for many other language pairs, too. So far, it can create dubs in English, Mandarin Chinese, Spanish, Arabic, French, Russian, German, Italian, Korean, Polish and Dutch. The main challenge in building this was to get the balance right between translating the original meaning and getting the timing…
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