Auction Price Calculator icon

Auction Price Calculator

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

Calculates the full price including buyer's premium and VAT for various auction sites

Users
4
0 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#263K
#219K among extensions
Version
1.0.1
updated 20 Nov 2025

Users

monthly, 11 months
024Nov 2025May 2026Oct 2026
Latest, 15 Oct 2026: 4 usersMove the mouse over the chart for any month

Ratings count

monthly, 11 months
001Nov 2025May 2026Oct 2026
Latest, 15 Oct 2026: 1 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 Auction Price Calculator

A browser extension that automatically calculates the full price (including buyer's premium and VAT) for auction websites. The extension is designed to work across multiple auction sites.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months+1+33.3%+1+5.00

Version history

2 versions recorded
1.0.120 Nov 2025
1.0.014 Nov 2025

Details

Category
Shopping
First seen
14 Nov 2025
Size
44 KB
Languages
en-GB
Pricing
Free
Support
github.com
Extension ID
jobmbfcaagopgnlbkgdaejokamgedkhf

Permissions and risk

Low riskimpact 1, likelihood 2

Alternatives to Auction Price Calculator

Extensions that rank for the same store searches or share the Shopping category, ordered by users
Honey: Automated Coupons & Rewards13M users · 2.2 ★ · 179,638 ratings Capital One Shopping: Save Now11M users · 4.1 ★ · 18,022 ratings Avira Safe Shopping7M users · 3.4 ★ · 211 ratings Keepa - Amazon Price Tracker5M users · 3.4 ★ · 5,136 ratings Avast SafePrice4M users · 4.7 ★ · 11,652 ratings Rakuten: Get Cash Back For Shopping3M users · 4.7 ★ · 43,583 ratings Coupert - Automatic Coupon Finder & Cash Back3M users · 4.7 ★ · 11,394 ratings Klarna | Shop now, Pay Later1M users · 4.7 ★ · 57,964 ratings