Take notes (saved in Google Drive) as you watch a YouTube video. Video on left, notes on right. Use keyboard commands to pause & play video. (Keyboard commands do not work in Firefox.)
Upload an audio file and transcribe in the browser. Keyboard commands so that you don't have to move your hands to pause, rewind, fast forward, and adjust playback speed. Also has a command to insert current timestamp. Learners could use this to check their detailed comprehension of a listening text. Also useful to researchers with audio recordings to transcribe.