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jp343 Track Your Japanese Immersion

Chrome extension by jp343 · Productivity · Education

A Chrome extension in Productivity · Education with 164 users, barely installed.

Specific sites only: 17 match patterns.

What the developer says, and 3 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
164
Rating
5.0 (1 ratings)
Users, last 16 days
+21
Rating, last 30 days
Not watched long enough to say
Version
2.14.0
Updated in the store
2026-09-11
Published
2026-02-23
Manifest
V3
Browser access
7 permissions, 17 site patterns

How it has moved

Users
+21 since 01.09
143-165 · 9 readings
2026-09-03: released 2.13.12026-09-12: released 2.14.0
  1. 2026-09-01143
  2. 2026-09-02151
  3. 2026-09-04153
  4. 2026-09-06160
  5. 2026-09-08165
  6. 2026-09-09157
  7. 2026-09-13161
  8. 2026-09-15164
  9. 2026-09-16164
Rating
unchanged since 01.09
reviewsrating 5.00 · 9 readings
2026-09-03: released 2.13.12026-09-12: released 2.14.0
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-08reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-13reviews1rating5.00
  8. 2026-09-15reviews1rating5.00
  9. 2026-09-16reviews1rating5.00
Users
+21 since 01.09
143-165 · 9 readings
2026-09-03: released 2.13.12026-09-12: released 2.14.0
  1. 2026-09-01143
  2. 2026-09-02151
  3. 2026-09-04153
  4. 2026-09-06160
  5. 2026-09-08165
  6. 2026-09-09157
  7. 2026-09-13161
  8. 2026-09-15164
  9. 2026-09-16164
Rating
unchanged since 01.09
reviewsrating 5.00 · 9 readings
2026-09-03: released 2.13.12026-09-12: released 2.14.0
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-08reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-13reviews1rating5.00
  8. 2026-09-15reviews1rating5.00
  9. 2026-09-16reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 17 match patterns.

  • *://*.youtube.com/*
  • *://*.netflix.com/*
  • *://*.crunchyroll.com/*
Show the remaining 9
  • *://*.primevideo.com/*
  • *://*.amazon.com/*
  • *://*.amazon.de/*
  • *://*.amazon.co.jp/*
  • *://*.amazon.com.br/*
  • *://*.disneyplus.com/*
  • *://*.cijapanese.com/*
  • *://*.nijapanese.com/*
  • *://*.nihongo-jikan.com/*
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • Schedule work to run later alarms
Show the remaining 4
  • Add items to the right-click menu contextMenus
  • Show you notifications notifications
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

Version history

  1. Version 2.14.0
  2. Version 2.13.1

What changed recently

  1. Package size changed
  2. Released version 2.14.0 (was 2.13.1)
  3. Package size changed
Show the remaining 1
  1. Released version 2.13.1 (was 2.13.0)

The publisher

jp343 publishes 2 listings we track, 345 users between them. Listed website: jp343.com.

  1. Migaku Word Exporter jp343 · Productivity · Education · published 2026-03-22 181 users ★ 5.0

Like this one

Listings the catalog judges closest in what they say they do.

  1. Japanese System Describes nearly the same job, smaller audience 25 users ★ 5.0
  2. Osmolog - Language Immersion Tracker Describes nearly the same job, smaller audience 123 users ★ 5.0
  3. Kita Browser Describes nearly the same job, smaller audience 6 users
  4. Mikan 見間 - Japanese Immersion Tracker Describes nearly the same job, smaller audience 9k users ★ 5.0
  5. ImmersiveLang Describes nearly the same job, smaller audience 4 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.