Extension Tracker

jp343 Track Your Japanese Immersion

167 users Rated 5.00 from 2 ratings Last updated 25 Sep 2026

By jp343 Live in the Chrome Web Store ogjnhhmcfdkpmllikfmjdlhjepadeigl Last checked 27 Sep 2026, 06:49 UTC

The listing

What the Chrome Web Store shows, as of the last check

Track your Japanese immersion automatically. Built-in dashboard with heatmap, streaks and session history.Summary from the listing
Developer
jp343
Trader status
Declared a trader under EU law
Category
Productivity › Education
First published
23 Feb 2026
Last updated
25 Sep 2026
Version
2.15.2
Size
631 KiB
Minimum Chrome
88
Languages
1 language

English

Website
https://jp343.com/
Support page
https://jp343.com/
Open in the Chrome Web Store ↗ Download the CRX from Google ↗
Users over time As shown on the Chrome Web Store

Tracking began on 27 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-271675.002
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#53,860
by users, of 264,254 extensions
In its category
#1,675
of 11,028 in Education

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

What it can access

From the extension's manifest, in plain language

Sites
  • *://*.amazon.co.jp/*amazon.co.jp and its subdomains
  • *://*.amazon.com.br/*amazon.com.br and its subdomains
  • *://*.amazon.com/*amazon.com and its subdomains
  • *://*.amazon.de/*amazon.de and its subdomains
  • *://*.cijapanese.com/*cijapanese.com and its subdomains
  • *://*.crunchyroll.com/*crunchyroll.com and its subdomains
  • *://*.disneyplus.com/*disneyplus.com and its subdomains
  • *://*.jp343.com/*jp343.com and its subdomains
  • *://*.netflix.com/*netflix.com and its subdomains
  • *://*.nihongo-jikan.com/*nihongo-jikan.com and its subdomains
  • *://*.nijapanese.com/*nijapanese.com and its subdomains
  • *://*.primevideo.com/*primevideo.com and its subdomains
  • *://*.twitch.tv/*twitch.tv and its subdomains
  • *://*.youtube.com/*youtube.com and its subdomains
  • *://app.asbplayer.dev/*app.asbplayer.dev
  • *://jp343.com/*jp343.com
  • *://open.spotify.com/*open.spotify.com
Sites where it runs scripts
  • *://*.amazon.co.jp/*amazon.co.jp and its subdomains
  • *://*.amazon.com.br/*amazon.com.br and its subdomains
  • *://*.amazon.com/*amazon.com and its subdomains
  • *://*.amazon.de/*amazon.de and its subdomains
  • *://*.cijapanese.com/*cijapanese.com and its subdomains
  • *://*.crunchyroll.com/*crunchyroll.com and its subdomains
  • *://*.disneyplus.com/*disneyplus.com and its subdomains
  • *://*.jp343.com/*jp343.com and its subdomains
  • *://*.netflix.com/*netflix.com and its subdomains
  • *://*.nijapanese.com/*nijapanese.com and its subdomains
  • *://*.primevideo.com/*primevideo.com and its subdomains
  • *://*.twitch.tv/*twitch.tv and its subdomains
  • *://*.youtube.com/*youtube.com and its subdomains
  • *://*.youtube.com/embed/*youtube.com and its subdomains
  • *://app.asbplayer.dev/*app.asbplayer.dev
  • *://jp343.com/*jp343.com
  • *://open.spotify.com/*open.spotify.com
Browser features
  • alarmsRun tasks on a schedule
  • contextMenusAdd items to the right-click menu
  • notificationsShow notifications
  • scriptingRun scripts on sites it can reach
  • storageSave settings and data in your browser
  • tabsRead the addresses and titles of your tabs
  • unlimitedStorageStore more data than the usual limit
Asked for later, if you agree
  • *://reader.mokuro.app/*reader.mokuro.app
  • *://reader.ttsu.app/*reader.ttsu.app
  • *://ttu-ebook.web.app/*ttu-ebook.web.app
  • http://127.0.0.1:13579/*127.0.0.1:13579
  • http://127.0.0.1:8765/*127.0.0.1:8765
  • http://localhost:13579/*localhost:13579
  • https://*/*Every website

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
Migaku Word Exporter223 5.002 Education
All 2 extensions by jp343 →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 27 Sep 2026, 06:49 UTC; next check around 5 Oct 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “jp343 Track Your Japanese Immersion” (ogjnhhmcfdkpmllikfmjdlhjepadeigl). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/ogjnhhmcfdkpmllikfmjdlhjepadeigl. Accessed 2026-09-28.
BibTeX
@misc{extensiontracker_ogjnhhmcfdkpmllikfmjdlhjepadeigl,
  title   = {jp343 Track Your Japanese Immersion (ogjnhhmcfdkpmllikfmjdlhjepadeigl)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/ogjnhhmcfdkpmllikfmjdlhjepadeigl},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

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