Cardboard Market

by Bonus Buddy · Shopping

FeaturedManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

The best companion for buying sports cards. Easily view accepted best offer prices on eBay

Users

1,000

−1,000 in 30 days

Rating

3.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#25K

#20K among extensions

Version

0.0.5

updated 10 Jul 2024

Users

monthly, 3 years

Latest, 15 Oct 2026: 1,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years

Latest, 15 Oct 2026: 27 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 Cardboard Market

Easily view accepted best offer prices on eBay. 🔍 Transparent Pricing Insights: see accepted best offer prices for eBay listings in real-time. Understand the market value of your target cards, and invest with confidence. 🔒 Safe and Secure: your privacy matters to us. Cardboard Market does not require access to your eBay account or personal information. Transact securely with complete peace of mind. 🔄 Seamless Integration: simply add our extension to your browser and browse eBay like you always do. Cardboard Market will automatically show you the accepted best offer prices right on the eBay search page. Become a smarter buyer with Cardboard Market today!