Compare: YouTube Dubbing – Translate & Dub vs SimIntpr - Translate & Speak YouTube Subtitle

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Metric	YouTube Dubbing – Translate & Dub	SimIntpr - Translate & Speak YouTube Subtitle
User count	200,000	10,000
Average rating	4.18	3.29
Rating count	733	69
Last updated	2026-07-02	2026-03-29
Size	6.03 MB	0.51 MB
Version	3.9.8	4.0.0

Short description	One-click translation and AI dubbing for YouTube, Bilibili, Udemy, and more—listen in your native language and understand foreign videos instantly.	SimIntpr translates YouTube subtitles into multiple languages and reads them aloud for a virtual simultaneous interpreter experience.
Full summary	YouTube Dubbing is a browser extension that translates and dubs online videos in real time. No need to read subtitles—just listen in your native language and understand foreign videos instantly, as naturally as watching local content. Open videos on YouTube, Bilibili, Udemy, or Coursera, and the extension automatically translates subtitles and starts AI dubbing with a single click. Free up to 5 dubs per day; Premium unlocks unlimited dubs and advanced features. Core features include one-click translation and dubbing, AI subtitle enhancement (Premium), multi-model translation (GPT & Claude), a rich voice library with multiple accents, adaptive playback speed, and cross-platform support (Chrome, Firefox, Android). Premium also adds preserve background audio, smart multi-speaker detection, and broader multi-site coverage for major platforms.	SimIntpr is a Chrome extension acting as a virtual simultaneous interpreter for YouTube videos. It translates official YouTube subtitles into nearly 30 languages and speaks them out using a state-of-the-art Text-To-Speech engine. Users can customize voice, language, tone, and speed settings for up to 67 different voices. The extension works seamlessly alongside the original YouTube audio, allowing volume control independently. It saves your preferences locally, so you can enjoy translated spoken subtitles automatically on new videos with official captions. Upcoming features include supporting local subtitle uploads and embedding YouTube videos anywhere on the web. SimIntpr provides an accessible way to enjoy content in your preferred language, making YouTube videos more inclusive and immersive.