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Japanese Era to Gregorian (Auto)

Chrome extension by Holoz Co., Ltd. · Productivity · Tools

A Chrome extension in Productivity · Tools with 7 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 2 screenshots

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

Users
7
Rating
not rated yet
Users, last 16 days
unchanged
Version
1.0
Updated in the store
2026-07-02
Published
2026-05-17
Manifest
V3
Browser access
2 permissions

How it has moved

Users
unchanged since 31.08
0-8 · 7 readings
  1. 2026-08-317
  2. 2026-09-028
  3. 2026-09-047
  4. 2026-09-078
  5. 2026-09-107
  6. 2026-09-130
  7. 2026-09-157
Users
unchanged since 31.08
0-8 · 7 readings
  1. 2026-08-317
  2. 2026-09-028
  3. 2026-09-047
  4. 2026-09-078
  5. 2026-09-107
  6. 2026-09-130
  7. 2026-09-157

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.

  • Add items to the right-click menu contextMenus
  • 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

Holoz Co., Ltd..

Like this one

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

  1. Japanese Era Converter Describes nearly the same job, smaller audience 6 users
  2. 和暦変換 Describes nearly the same job, smaller audience 67 users
  3. 和暦→西暦変換器 Describes nearly the same job, smaller audience 8 users
  4. 和暦→西暦変換 Describes nearly the same job, smaller audience 5 users
  5. BC/AD or BCE/CE Era Notation Selector Describes nearly the same job, smaller audience 76 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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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.