| What it does | AI YouTube dubbing extension for Chrome and Edge
| Open-source browser extension to modify HTTP request and response headers and cookies
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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
| Open source
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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
| - Modify request and response headers with a focused editor interface
- Scope rules to specific URLs using browser-supported filter patterns
- Customize response cookies with Domain, Path, SameSite, Lifetime, Max-Age, and Secure attributes
- Create up to five local rule profiles for different projects and test setups
- Import and export profiles as local JSON files between browsers
- Enable, disable, delete, and annotate rules with comments
- Support for Chrome, Edge, and Firefox
- All rules stored locally in browser with no server transmission
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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
| - Open-source with MIT License and full transparency
- Rules stored entirely locally with no analytics, tracking, or external servers
- Lightweight alternative to ModHeader
- URL scoping prevents rules from affecting unintended websites
- Simple interface requires no coding knowledge
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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 ● no change since last check | 8 ● no change since last check |
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| Trust Flow (Majestic) | 14 | 3 |
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| Citation Flow (Majestic) | 23 | 18 |
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| Referring domains (Majestic) | 19 | 13 |
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EarDub
Header Override