| What it does | AI YouTube dubbing extension for Chrome and Edge
| Change the key of audio in your Chrome tab while keeping vocals natural
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| Stage | Startup
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| Founded | 2026
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| Based in | HK
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| Pricing model | Freemium
| Free
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| Pricing | Free: 30 minutes per day; Basic: $9.99/month or $83/year for 60 hours per month; Pro: $19.99/month or $155/year for unlimited dubbing time
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| Key features | - Context-aware AI translation with full sentence translation
- Real-time dubbing synchronized with speaker
- 75 languages with 300+ neural voices
- Dubs videos without captions on paid plans
- Works on YouTube, Udemy, Coursera, X and other sites
- Adjustable volume for original and dubbed audio
- Bilingual subtitles while listening
- User controls when dubbing starts
- Auto-detection of source video language
- Sentence speed adjustment up to 1.45x to maintain sync
| - Pitch shift from −12 to +12 semitones
- Fine-tuning by ±50 cents
- Keep vocals natural mode enabled by default
- Preserves playback speed while changing pitch
- Works with YouTube, YouTube Music, Spotify Web, SoundCloud
- Video stays synchronized with processed audio
- Remembers pitch preferences for each song
- Keyboard shortcuts for pitch adjustment
- Processes audio locally with no uploads
- Powered by Key Changer Engine for natural pitch shifting
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| What makes it different | - No video upload or waiting: dubbing starts within seconds
- Works on almost any YouTube video, not just creator-enabled ones
- Dubs videos without captions using speech recognition on paid plans
- Full sentence translation for natural-sounding output
- Works beyond YouTube on courses and multiple video platforms
| - Preserves natural vocal character while shifting pitch
- Processes audio locally in browser, no data uploaded
- Works with most major streaming platforms without additional setup
- Video stays perfectly synchronized with pitch-shifted audio
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 13 ▲ +1 (up) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 14 | 0 |
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| Citation Flow (Majestic) | 23 | 12 |
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| Referring domains (Majestic) | 19 | 2 |
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EarDub
Key Changer