Lockcard - Vocabulary Builder
v1.9.1 Updated Mar 16, 2026 5.39MiB
β οΈRequests 1 sensitive permission β
Recently updated
Description
β¨ WHY CHOOSE LOCKCARD?
π LEARN VOCABULARY AS YOU BROWSE
β’ Works across the web: news sites, blogs, newsletters, research papers, and more
β’ Example sites: YouTube, BBC Learning English, The Economist, The New Yorker, NYT, and many others (not affiliated)
β’ Learn naturally during your normal browsing β no separate βstudy timeβ required
π¬ YOUTUBE INTEGRATION
β’ Click any word in YouTube subtitles to learn while watching
β’ Learn from TED talks, courses, educational videos, and more
β’ Save words with video context and timestamps for easy reference
β’ Seamlessly integrate vocabulary learning into your video watching routine
π PDF SUPPORT
β’ Select words directly in PDF files
β’ Custom PDF viewer with seamless word selection
β’ Learn from research papers, ebooks, and documents effortlessly
πΎ CONTEXT-AWARE SAVING
β’ Save words with their original context automatically preserved
β’ Remember exactly where and how you encountered each word
β’ Learn from real contexts, not isolated word lists
β’ Smart duplicate detection with context merging
β’ Organized by articles and videos you've read/watched
π ENCOUNTER TRACKING
β’ See how many times youβve met a word across different pages/videos
β’ Keep multiple real-world contexts for the same word (not just one definition)
β’ Build a personal βwhere I learned thisβ history
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
π‘ HOW IT WORKS:
1. Browse normally - read articles, watch YouTube videos, surf the web
2. Discover in context - encounter new words in real content, not word lists
3. Save with context - one-click save preserves where and how you learned each word
4. Sync to iPhone - your vocabulary collection syncs seamlessly across devices
5. Practice innovatively - review with notification cards, widgets, and AI podcasts on iOS
Reviews
Loading reviews...
Permissions (4)
Permissions
storageβΉ Can store data locally in your browser tabsβΉ Can see your open tabs and their URLs ttsβΉ Can use text-to-speech webRequestβΉ Can observe and analyze network traffic
Details
| Version | 1.9.1 |
| Updated | Mar 16, 2026 |
| Size | 5.39MiB |
| First Seen | Mar 22, 2026 |
Popular in education
Kami for Google Chromeβ’
by Kami
17M
β
4.56
education
17M
β
4.56
education
Language Reactor
by Dioco
2M
β
4.20
education
2M
β
4.20
education
Speechify β Text to Speech
by Speechify
1M
β
4.59
education
1M
β
4.59
education
LibKey Nomad
by Third Iron LLC
1M
β
4.71
education
1M
β
4.71
education
xFanatical Safe Doc
by xFanatical
700K
β
1.46
education
700K
β
1.46
education
Popular Extensions
Adobe Acrobat: PDF edit, convert, sign tools
by Adobe Inc.
330M
β
4.40
workflow
330M
β
4.40
workflow
Chrome Remote Desktop
by Chrome Remote Desktop Release Managers
38M
β
3.14
workflow
38M
β
3.14
workflow
Cisco Webex Extension
by cisco.chromestore
24M
β
2.34
social
24M
β
2.34
social
Kami for Google Chromeβ’
by Kami
17M
β
4.56
education
17M
β
4.56
education
Read&Write for Google Chromeβ’
by Texthelp
17M
β
3.44
accessibility
17M
β
3.44
accessibility