Ext Ops Panel
Open dashboard

Sakura Forest Cancel Helper

Chrome extension by Kamada Toshihiro · Productivity · Tools

A Chrome extension in Productivity · Tools with 28 users, barely installed. Audience over the last 30 days: +5.

Specific sites only: 1 match pattern.

What the developer says, and 1 screenshot

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

Users
28
Rating
not rated yet
Users, last 30 days
+5
Version
1.2
Updated in the store
2025-05-06
Published
2025-03-24
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+5 since 02.10
23-29 · 15 readings
  1. 2026-10-0527
  2. 2026-10-0928
  3. 2026-10-1327
  4. 2026-10-1626
  5. 2026-10-1724
  6. 2026-10-1825
  7. 2026-10-1924
  8. 2026-10-2027
  9. 2026-10-2128
  10. 2026-10-2226
  11. 2026-10-2429
  12. 2026-10-2528
  13. 2026-10-2827
  14. 2026-10-2926
  15. 2026-11-0128
Users
+4 since 31.08
22-29 · 26 readings
  1. 2026-08-3124
  2. 2026-09-0325
  3. 2026-09-0823
  4. 2026-09-1024
  5. 2026-09-1323
  6. 2026-09-1524
  7. 2026-09-1722
  8. 2026-09-2025
  9. 2026-09-2223
  10. 2026-09-2524
  11. 2026-09-2823
  12. 2026-10-0527
  13. 2026-10-0928
  14. 2026-10-1327
  15. 2026-10-1626
  16. 2026-10-1724
  17. 2026-10-1825
  18. 2026-10-1924
  19. 2026-10-2027
  20. 2026-10-2128
  21. 2026-10-2226
  22. 2026-10-2429
  23. 2026-10-2528
  24. 2026-10-2827
  25. 2026-10-2926
  26. 2026-11-0128

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: 1 match pattern.

  • https://sakura-forest.com/*
  • Act on the current tab, but only after you click it activeTab
  • Declares commands

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Kamada Toshihiro publishes 21 listings we track, 1k users between them.

  1. Roots 定期停止ヒアリング Kamada Toshihiro · Productivity · Tools · published 2026-06-15 285 users
  2. 商品混在チェッカー Kamada Toshihiro · Productivity · Tools · published 2026-06-11 268 users
  3. LINEメッセージコピー Kamada Toshihiro · Productivity · Tools · published 2025-03-25 160 users
Show 5 more from this publisher
  1. ソフトフォン ミラー & リモート操作 Kamada Toshihiro · Productivity · Tools · published 2026-02-08 117 users
  2. LINE登録ポッチ自動 Kamada Toshihiro · Productivity · Tools · published 2025-03-25 114 users
  3. Voice Transcription ChromeOS版(さくらフォレスト社内用) Kamada Toshihiro · Productivity · Tools · published 2026-05-25 101 users
  4. LINE注文番号コピー Kamada Toshihiro · Productivity · Tools · published 2026-03-25 98 users
  5. 提案率計算ツール Kamada Toshihiro · Productivity · Tools · published 2025-04-17 66 users

Like this one

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

  1. 解約.com Describes nearly the same job, smaller audience 178 users
  2. Subscription Cancellation Assistant Describes nearly the same job, smaller audience 37 users ★ 5.0
  3. SubTracker Describes nearly the same job, smaller audience 3 users (last published figure)
  4. Gestore Sottoscrizioni Describes nearly the same job, smaller audience 2 users (last published figure)
  5. SubWatch Describes nearly the same job, smaller audience 6 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.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

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

Add a badge to your README or site

The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/janhhaajnhhedkkmcnopbhclkccflfdb"><img src="https://extops.dev/extensions/janhhaajnhhedkkmcnopbhclkccflfdb/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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built