I made asbplayer-jiten, a Jiten-focused fork of asbplayer that helps you mine words from subtitled videos.
Use the web app with local video files, or install the browser extension to work with streaming video. The user guide covers setup and the complete workflow.
Extension v1.21.0 has been released.
Extension v1.20.0 has been released, along with some hotfixes to patch critical issues.
Extension v1.19.0 has been released.
Extension v1.18.0 has been released.
Extension v1.17.0 has been released at a faster pace, as it includes important fixes to subtitle detection.
Lots of stuff has happened:
Extension v1.14.0 was released a couple weeks ago with very little involvement from me.
Extension v1.13.0 was released a few days ago in response to reports of broken compatibility with YouTube.
After a longer-than-usual break, extension v1.12.0 has been released.