Miteiru is an open source Electron video player to learn Chinese, Cantonese, and Japanese AAAND VIETNAMESE! It can play all Youtube and HTML 5 supported format (.mkv, .mp4, .mov, and many more) videos, and lots of supports on other subtitle formats (.srt, .ass, .vtt, and many more)
realtime speech ⇄ text, 音を字に — wire mic → STT → translate → speech as an on-device voice graph that spans your devices over WebRTC. Runs in the browser (transformers.js/ONNX/WebGPU); no API keys, nothing leaves the device by default.