Overview
Track your Japanese immersion automatically. Built-in dashboard with heatmap, streaks and session history.
jp343 is an immersion tracker for Japanese learners. It records your watch time automatically on YouTube, popular streaming sites and Spotify. Your progress is shown in a built-in dashboard with heatmap, streaks and session history. The extension runs in the background while you watch. Ads are detected and excluded from your time. If your browser crashes, the session is recovered on restart. You can also track any other site manually with one click. Features: - Automatic tracking on supported streaming sites - Block channels or titles you don't want tracked - Edit session titles anytime - All tracking data stays in your browser, no third-party analytics, no ads - Optional account syncs your data exclusively to jp343.com via HTTPS Built for Japanese immersion but works for any language. Whether you do AJATT, Refold or your own method, jp343 tracks your input hours so you can see your progress over time. Optional: Create a free account to sync across devices. How to use: 1. Play something on a supported site 2. The tracker starts on its own 3. Check your stats in the popup or open the full dashboard Questions or feedback? Join us on Discord: https://discord.gg/WxGtd5eNH9
5 out of 51 rating
Details
- Version2.3.2
- UpdatedApril 10, 2026
- Size89.82KiB
- LanguagesEnglish
- Developer
- Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
jp343 Track Your Japanese Immersion has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
jp343 Track Your Japanese Immersion handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site