Capecho: Mac app uses OCR and AI to capture and help remember new vocabulary from any screen
By
Shawn
Hard to chew. Probably not worth the jaw work.
Summary
Capecho is a Mac app that uses on-device OCR to capture unfamiliar words from any screen (IDE, terminal, video subtitles, PDFs) — not just browsers. It reads the word and surrounding sentence, uses AI to explain it, and employs the FSRS spaced repetition algorithm to help users remember vocabulary. Created by Shawn, a native Chinese speaker who reads English daily across various non-browser contexts.
Key quotes
· 3 pulledThe good vocab tools are browser extensions, so the moment I left the browser they couldn't help — and the words I met while coding or watching a talk just slipped away.
Saving a word and remembering it are two different things, and where I read, I couldn't even do the saving.
So I used my Mac's on-device OCR. One shortcut reads the word — and the sentence around it — straight off any screen: dev tools, a video
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