LexiSpark: Science-Backed Video Learning

by WebSpace · Education

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Learn languages on video, learning, audio, and meeting platforms with dual subtitles, word translation, and FSRS review.

Users

−1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#199K

#166K among extensions

Version

0.1.6

updated 30 Aug 2026

Users

monthly, 5 months

Latest, 16 Oct 2026: 9 usersMove the mouse over the chart for any month

Ratings count

monthly, 5 months

Latest, 16 Oct 2026: 3 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 LexiSpark: Science-Backed Video Learning

Learn languages from YouTube, Coursera & Netflix videos with dual subtitles, word translation, and FSRS spaced-timed repetition!

Growth

Window	Users	Change	Ratings	Rating
7 days	0	+0.0%	0	0.00
30 days	−1	−10.0%	0	0.00

Version history

4 versions recorded

0.1.630 Aug 2026

0.1.526 May 2026

0.1.213 May 2026

0.1.08 May 2026

Details

Category: Education
First seen: 8 May 2026
Size: 3.8 MB
Languages: en
Pricing: Free
Privacy policy: lexispark.app
Extension ID: gmmmmcfkakbgkbpenncgmfjmpniiipdc

Permissions and risk

Elevated riskimpact 4, likelihood 2

Permissions

storageunlimitedStorageactiveTabcookieswindowsdeclarativeNetRequest

Site access

*://*.youtube.com/**://*.netflix.com/**://*.max.com/**://*.hbomax.com/**://*.primevideo.com/**://*.amazon.com/gp/video/**://*.amazon.com/detail/**://*.amazon.com/watch/**://*.amazon.co.uk/gp/video/**://*.amazon.co.uk/detail/*and 89 more

Can read and change data on every website you visit.