Description
https://github.com/sapjax/yama
acquire Japanese vocabulary on any website
Yama (山) is a browser extension designed to help Japanese learners read web content or watch videos more immersive and effectively. It turns any webpage into a study tool by providing instant dictionary lookups, word tracking, and jpdb sync.
Like LingQ、Migaku、relingo、trancy, but free and open source.
Key Features:
Instant Dictionary Lookup: Hover over any Japanese word to see its definition, reading. Supports multiple dictionary sources.
Word Tracking: By default all words are UnSeen, You can mark words as Tracking, Ignored, or Never Forget. Yama highlights words with different colors, giving you a clear overview of your vocabulary.
AI Sentence Explanation: You can config your own AI endpoint to get ai explanation.
On-Page Statistics: Click the extension icon to see a distribution chart of all highlighted words on the current page, giving you a quick glance at the comprehensible level of the page.
JPDB.io Integration: Automatically sync words you mark on webpages to your JPDB.io account to easily create flashcards.
How to Use
- After installation, navigate to a Japanese website you want to read and click the Yama icon in your browser's toolbar.
- In the popup window, enable the switch to add the current site to the whitelist.
Yama will automatically start analyzing and highlighting words.
- Hover over words to see their definitions.
- Use the floating panel's toolbar or keyboard shortcuts to mark words.
- Click the extension icon to view statistics for the current page.
- Click the extension icon then click settings icon to go to the options page for customize configuration (such as colors, jpdb sync or ai explain).
Reviews
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Permissions (6)
Permissions
activeTabℹ Can access the current tab when you click the extension offscreen scriptingℹ Can inject scripts into web pages storageℹ Can store data locally in your browser tabsℹ Can see your open tabs and their URLs ttsℹ Can use text-to-speech
Details
| Version | 1.0.8 |
| Updated | Feb 11, 2026 |
| Size | 11.67MiB |
| First Seen | Mar 24, 2026 |
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