LangKey | Language Learning: Video · Web · Select Translate · OCR

by https://langkey.win · langkey.win · Education

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Watch YouTube/Bilibili/TED & read web articles. AI bilingual subtitles, select translate, OCR, 7 practice modes.

Users

259

+45 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#57K

#48K among extensions

Version

2.4.2

updated 5 Sep 2026

Users

monthly, 15 months

Latest, 15 Oct 2026: 259 usersMove the mouse over the chart for any month

Ratings count

monthly, 15 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 LangKey | Language Learning: Video · Web · Select Translate · OCR

🚀 LangKey 2.0 is out! The ultimate AI tool for language learners. 【AI Subtitles】Smart sentence analysis for better understanding. 【Practice Modes】Master listening with Cloze tests, dictation, and shadowing. 【Instant Lookup】Hover to translate and sync words to your vocabulary book. 【Multi-Engine】Supports custom translation engines and immersive full-screen learning.

Growth

Window	Users	Change
7 days	+30	+13.1%
30 days	+45	+21.0%
6 months	+164	+172.6%
1 year	+256	+8533.3%

Chrome Web Store search rankings

Where LangKey | Language Learning: Video · Web · Select Translate · OCR appears when people search the store, with the 30 day change

Search phrase	Position	30 days
ocr	#96	−7

Version history

14 versions recorded

2.4.25 Sep 2026

2.4.130 Aug 2026

2.4.016 Aug 2026

2.3.010 Jul 2026

2.2.230 Apr 2026

2.2.120 Apr 2026

2.2.020 Apr 2026

2.1.013 Apr 2026

Details

Category: Education
First seen: 4 Aug 2025
Size: 12.4 MB
Languages: de, en, en-GB, en-US, fil, id, ms, nl
Pricing: Free
Privacy policy: langkey.win
Support: langkey.win
Extension ID: chhjnodmnfbljoindmeeafjiepfjpamn

Permissions and risk

Elevated riskimpact 4, likelihood 2

Permissions

storageactiveTabscriptingwebRequestdeclarativeNetRequesttabsoffscreencontextMenussidePanel

Site access

*://*.youtube.com/**://*.youtu.be/**://*.bilibili.com/**://*.aisubtitle.hdslb.com/**://*.ted.com/**://hls.ted.com/**://langKey.win/**://localhost/**://127.0.0.1/*https://api-free.deepl.com/*and 12 more

Can read and change data on every website you visit.