BookLens — 買う・借りる・電子・中古を1画面で

by matsu.private.1274@gmail.com · Shopping

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

書籍ページで図書館の在庫・価格比較・電子版の有無をまとめて表示。買う/借りる/電子/中古の4択を1画面で。

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#338K

#263K among extensions

Version

1.0.0

updated 10 Jul 2026

Users

monthly, 3 months

Latest, 15 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About BookLens — 買う・借りる・電子・中古を1画面で

書籍ページで図書館の蔵書・価格・電子版の有無を横断表示するChrome拡張機能

Growth

Window	Users	Change	Ratings	Rating
7 days	0	+0.0%	0	0.00
30 days	0	+0.0%	0	0.00

Version history

1 versions recorded

1.0.010 Jul 2026

Details

Category: Shopping
First seen: 10 Jul 2026
Size: 35 KB
Languages: ja
Pricing: Free
Privacy policy: booklens.matsu-private-1274.workers.dev
Support: booklens.matsu-private-1274.workers.dev
Extension ID: kbdjjoecalpflfibgdlhihppacfjbpee

Permissions and risk

Moderate riskimpact 1, likelihood 3

Permissions

storageactiveTabdeclarativeNetRequest

Site access

https://www.amazon.co.jp/*https://books.rakuten.co.jp/*https://honto.jp/*https://calil.jp/*https://app.calil.jp/*https://api.calil.jp/*https://openapi.rakuten.co.jp/*https://zipcloud.ibsnet.co.jp/*