ValueBooks Price Checker icon

ValueBooks Price Checker

by sender · Shopping
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

AmazonのページでValueBooksの中古価格をリアルタイム表示

Users
3
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#307K
#247K among extensions
Version
1.0.0
updated 24 May 2026

Users

monthly, 5 months
024May 2026Aug 2026Oct 2026
Latest, 15 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 5 months
001May 2026Aug 2026Oct 2026
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 ValueBooks Price Checker

Amazonの商品ページで書籍を閲覧した際に、バリューブックス（古本・中古本の販売サイト）における同書籍の在庫情報・販売価格を自動的に取得してページ上に表示します。ユーザーが価格比較を簡単に行えるようにすることが唯一の目的です。

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days−1−25.0%00.00

Version history

1 versions recorded
1.0.024 May 2026

Details

Category
Shopping
First seen
24 May 2026
Size
16 KB
Languages
ja
Pricing
Free
Privacy policy
vbchecker.github.io
Extension ID
mebpbmgbamhjmachbohddpijlfhiceig

Permissions and risk

Moderate riskimpact 2, likelihood 3
Permissions
storage
Site access
https://www.amazon.co.jp/*https://www.valuebooks.jp/*https://www.google-analytics.com/*

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