Break every language barrier instantly. LiveRubik translates and dubs any browser video (YouTube, Twitch, Coursera, or local files) on the fly with natural AI voices and interactive bilingual subtitles.
Experience ultra-low latency speech downsampling (16kHz DSP) connected directly to Google Gemini 3.5 Live. Audio ducking lowers background volume to 15% so translations ring clear.
Engineered for Flawless Precision
Direct bi-directional WebSocket streaming with 180ms Jitter Buffer and gapless scheduling for stutter-free audio output.
Automatically stops audio transmission the instant you pause or seek a video, saving 100% of your API token budget.
Integrated 6-position screen matrix with neon styling, auto-RTL for Persian/Arabic, and instant .SRT / .VTT / .DOC export.
Independent dual sliders to control background video ducking (0-100%) and boost translated speech up to 150%.
Drag and drop your offline MP4, MKV, or WebM movies into the player and enjoy instant live dubbing without uploading files.
Your Gemini API Key and captured audio remain strictly in local browser storage. No audio logs or conversations are ever stored.
Download the test version today for Chrome and Edge. Enter your Gemini API key and start dubbing in seconds.