SideCap

by ontimeandecho@gmail.com · Education

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Learn languages faster with interactive captions - word lookup, translations, and clean transcripts in a beautiful sidebar.

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#295K

#241K among extensions

Version

0.6.1

updated 10 Jan 2026

Users

monthly, 10 months

Latest, 15 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About SideCap

Learn languages faster with interactive YouTube captions - click words for definitions, translations, and clean caption history. Sidecap adds side captions to YouTube videos, letting you interact with captions directly instead of pausing, rewinding, or switching tabs. Click on any word to see its meaning, translation, and usage - all inline, without interrupting playback. What Sidecap does • Click words in captions to see definitions and translations • Automatically replay the last few seconds for context • Build a clean, readable caption history as the video plays • Switch between learning and translation modes • View captions in a lightweight sidebar alongside the video Designed for language learning Sidecap is built for learners who want to stay immersed: • No intrusive pop-ups • No cluttered translation panels • Just clear explanations, right when you need them Privacy-first Sidecap runs locally in your browser. • No accounts • No tracking • No data collection Supported languages English, French, Spanish, Italian, German Currently supports YouTube captions.