BookScale icon

BookScale

by Petr Šimek · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 21 Oct 2026

Visualize and compare book dimensions with standard formats.

Users
20
+1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#156K
#130K among extensions
Version
1.1.0
updated 7 Jan 2026

Users

monthly, 10 months
01021Jan 2026Jun 2026Oct 2026
Latest, 21 Oct 2026: 20 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months
001Jan 2026Jun 2026Oct 2026
Latest, 21 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 BookScale

BookScale helps you visualize book dimensions before buying. When browsing book pages on supported sites, click the ruler icon to see a visual comparison with standard formats like A4, A5, US Comic, Manga Tankobon, or BD Album. Compare spine thickness with everyday objects like a matchbox or coin. Save books to compare them side by side.

Growth

WindowUsersChangeRatingsRating
7 days+2+11.1%00.00
30 days+1+5.3%00.00
6 months−2−9.1%00.00

Version history

2 versions recorded
1.1.07 Jan 2026
1.0.05 Jan 2026

Details

Category
Tools
First seen
5 Jan 2026
Size
31 KB
Languages
en, cs
Pricing
Free
Extension ID
bkjkdinpddelgkamlagodbfdmnimaddp

Permissions and risk

Minimal riskimpact 0, likelihood 2
Permissions
scripting

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