Train your ear with any English video.
Paste a YouTube link or pick a recommended video. capkey plays one sentence, pauses, and gives you a blank for every word. Type what you heard, check it, move on.
Needs a video with English captions (made by the uploader or auto-generated).
This online version can open the recommended videos below, or any video with a transcript you paste. To open any link directly, run capkey on your computer (python server.py).
No captions found? Use your own transcript
Paste an .srt or .vtt file, or the text from YouTube's “Show transcript” panel (lines starting with a time like 0:12). The link above is still used for the video.
Continue
Recommended videos
TED talks, shortest first. Speed = how many words a minute the speaker says.
Talks and captions by TED, shared under CC BY-NC-ND 4.0.
- ListenThe video plays a single sentence and stops by itself.
- TypeFill the blanks. Words turn green as soon as they are right.
- CheckPress Enter to see what you missed, then Enter again for the next sentence.
Enter check / next · Space next blank · Ctrl+Space replay · Ctrl+/ hint
Your transcript
Finished sentences show up here. Click one to hear it again.