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全角半角変換ツール

Chrome extension by zyacheng · Productivity · Tools

A Chrome extension in Productivity · Tools with 20 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

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

Users
20
Rating
not rated yet
Users, last 15 days
+1
Version
1.0.0
Updated in the store
2025-08-18
Published
2025-08-18
Manifest
V3
Browser access
4 permissions

How it has moved

Users
+1 since 31.08
19-23 · 8 readings
  1. 2026-08-3119
  2. 2026-09-0221
  3. 2026-09-0623
  4. 2026-09-0721
  5. 2026-09-0922
  6. 2026-09-1021
  7. 2026-09-1320
  8. 2026-09-1420
Users
+1 since 31.08
19-23 · 8 readings
  1. 2026-08-3119
  2. 2026-09-0221
  3. 2026-09-0623
  4. 2026-09-0721
  5. 2026-09-0922
  6. 2026-09-1021
  7. 2026-09-1320
  8. 2026-09-1420

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • See the address and title of every tab you have open tabs
  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

zyacheng publishes 12 listings we track, 149 users between them. Listed website: kaishi-zankaku.blog.

  1. フォント変換 zyacheng · Productivity · Tools · published 2025-02-13 37 users
  2. Gmail to PDF: Save Emails & Attachments zyacheng · Productivity · Workflow · published 2026-07-30 20 users ★ 5.0
  3. Photo to Anime - AI Anime Photo Generator zyacheng · Productivity · Tools · published 2025-09-19 18 users
Show 5 more from this publisher
  1. Old Photo Restoration - Professional Photo Repair zyacheng · Productivity · Tools · published 2025-09-18 18 users
  2. 時間計算ツール zyacheng · Productivity · Tools · published 2025-08-17 12 users
  3. IQテスト - 無料知能指数テスト zyacheng · Productivity · Tools · published 2025-08-17 8 users
  4. 割引計算機 zyacheng · Productivity · Tools · published 2025-08-17 4 users
  5. Calculator Salarii România zyacheng · Productivity · Tools · published 2025-08-16 3 users (last published figure)

Like this one

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

  1. MojiHenkan 文字変換 Describes nearly the same job, smaller audience 14 users
  2. さらば全角英数 Describes nearly the same job, smaller audience 350 users ★ 5.0
  3. ZENKAKU HANKAKU Converter Describes nearly the same job, smaller audience 55 users ★ 5.0
  4. TextWidth Converter Describes nearly the same job, smaller audience 67 users ★ 5.0
  5. フォーム入力支援 — 和暦西暦・全角半角かんたん変換 Describes a similar job, smaller audience 10 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.