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jp343 Track Your Japanese Immersion

Chrome extension by jp343 · Productivity · Education

  • Established publisher

A Chrome extension in Productivity · Education with 114 users, barely installed. Audience over the last 30 days: -55.

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
114
Rating
5.0 (2 ratings)
Users, last 30 days
-55
Rating, last 30 days
Steady over 30 days
Version
2.17.0
Updated in the store
2026-11-05
Published
2026-02-23
Manifest
V3
Browser access
7 permissions, 17 site patterns

How it has moved

Users
-55 since 06.10
113-899 · 14 readings
2026-10-23: released 2.16.02026-10-27: released 2.16.12026-11-01: released 2.16.22026-11-05: released 2.17.0
  1. 2026-10-08171
  2. 2026-10-09166
  3. 2026-10-10160
  4. 2026-10-13162
  5. 2026-10-16163
  6. 2026-10-18163
  7. 2026-10-19158
  8. 2026-10-22159
  9. 2026-10-23156released 2.16.0
  10. 2026-10-24716
  11. 2026-10-25899
  12. 2026-11-01113released 2.16.2
  13. 2026-11-03114
  14. 2026-11-05114released 2.17.0
Rating
unchanged since 06.10
reviewsrating 5.00 · 14 readings
2026-10-23: released 2.16.02026-10-27: released 2.16.12026-11-01: released 2.16.22026-11-05: released 2.17.0
  1. 2026-10-08reviews2rating5.00
  2. 2026-10-09reviews2rating5.00
  3. 2026-10-10reviews2rating5.00
  4. 2026-10-13reviews2rating5.00
  5. 2026-10-16reviews2rating5.00
  6. 2026-10-18reviews2rating5.00
  7. 2026-10-19reviews2rating5.00
  8. 2026-10-22reviews2rating5.00
  9. 2026-10-23reviews2rating5.00released 2.16.0
  10. 2026-10-24reviews2rating5.00
  11. 2026-10-25reviews2rating5.00
  12. 2026-11-01reviews2rating5.00released 2.16.2
  13. 2026-11-03reviews2rating5.00
  14. 2026-11-05reviews2rating5.00released 2.17.0
Users
-29 since 01.09
113-899 · 29 readings
2026-09-03: released 2.13.12026-09-12: released 2.14.02026-09-20: released 2.15.02026-09-21: released 2.15.12026-09-26: released 2.15.22026-10-04: released 2.15.32026-10-23: released 2.16.02026-10-27: released 2.16.12026-11-01: released 2.16.22026-11-05: released 2.17.0
  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. 2026-09-17173
  10. 2026-09-20188released 2.15.0
  11. 2026-09-21191released 2.15.1
  12. 2026-09-25178
  13. 2026-09-26167released 2.15.2
  14. 2026-09-28162
  15. 2026-10-04169released 2.15.3
  16. 2026-10-08171
  17. 2026-10-09166
  18. 2026-10-10160
  19. 2026-10-13162
  20. 2026-10-16163
  21. 2026-10-18163
  22. 2026-10-19158
  23. 2026-10-22159
  24. 2026-10-23156released 2.16.0
  25. 2026-10-24716
  26. 2026-10-25899
  27. 2026-11-01113released 2.16.2
  28. 2026-11-03114
  29. 2026-11-05114released 2.17.0
Rating
unchanged since 01.09
reviewsrating 5.00 · 29 readings
2026-09-03: released 2.13.12026-09-12: released 2.14.02026-09-20: released 2.15.02026-09-21: released 2.15.12026-09-26: released 2.15.22026-10-04: released 2.15.32026-10-23: released 2.16.02026-10-27: released 2.16.12026-11-01: released 2.16.22026-11-05: released 2.17.0
  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. 2026-09-17reviews1rating5.00
  10. 2026-09-20reviews1rating5.00released 2.15.0
  11. 2026-09-21reviews1rating5.00released 2.15.1
  12. 2026-09-25reviews2rating5.00
  13. 2026-09-26reviews2rating5.00released 2.15.2
  14. 2026-09-28reviews2rating5.00
  15. 2026-10-04reviews2rating5.00released 2.15.3
  16. 2026-10-08reviews2rating5.00
  17. 2026-10-09reviews2rating5.00
  18. 2026-10-10reviews2rating5.00
  19. 2026-10-13reviews2rating5.00
  20. 2026-10-16reviews2rating5.00
  21. 2026-10-18reviews2rating5.00
  22. 2026-10-19reviews2rating5.00
  23. 2026-10-22reviews2rating5.00
  24. 2026-10-23reviews2rating5.00released 2.16.0
  25. 2026-10-24reviews2rating5.00
  26. 2026-10-25reviews2rating5.00
  27. 2026-11-01reviews2rating5.00released 2.16.2
  28. 2026-11-03reviews2rating5.00
  29. 2026-11-05reviews2rating5.00released 2.17.0

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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

The full permission history for this extension

Version history

  1. Version 2.17.0
  2. Version 2.16.2
  3. Version 2.16.1 · Changed where it works (changed: optional site access)
Show the remaining 5
  1. Version 2.16.0 · Changed where it works (changed: optional site access)
  2. Version 2.15.3
  3. Version 2.15.2
  4. Version 2.15.1
  5. Version 2.15.0

What changed recently

  1. Package size changed
  2. Released version 2.17.0 (was 2.16.2)
  3. Released version 2.16.2 (was 2.16.1)
Show the remaining 9
  1. Package size changed
  2. Changed where it works (changed: optional site access)
  3. Released version 2.16.1 (was 2.16.0)
  4. Package size changed
  5. Changed where it works (changed: optional site access)
  6. Released version 2.16.0 (was 2.15.3)
  7. Package size changed
  8. Released version 2.15.3 (was 2.15.2)
  9. Package size changed

Older entries and the full day by day series are in the app.

The publisher

jp343 publishes 2 listings we track, 378 users between them. Listed website: jp343.com.

  1. Migaku Word Exporter jp343 · Productivity · Education · published 2026-03-22 264 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 35 users ★ 5.0
  2. Osmolog - Language Immersion Tracker Describes nearly the same job, smaller audience 43 users ★ 5.0
  3. Kiku Hours: Comprehensible Input Tracker Describes nearly the same job, smaller audience 12 users ★ 5.0
  4. Kita Browser Describes nearly the same job, smaller audience 4 users (last published figure)
  5. Mikan 見間 - Japanese Immersion Tracker Describes nearly the same job, smaller audience 1k users ★ 5.0

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.

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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/ogjnhhmcfdkpmllikfmjdlhjepadeigl/badge.svg)](https://extops.dev/extensions/ogjnhhmcfdkpmllikfmjdlhjepadeigl)

HTML

<a href="https://extops.dev/extensions/ogjnhhmcfdkpmllikfmjdlhjepadeigl"><img src="https://extops.dev/extensions/ogjnhhmcfdkpmllikfmjdlhjepadeigl/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-03. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built