Free tools for book resellers
Check buyback and purchase prices in bulk, identify possible book-flipping opportunities, and export a report you can work with.
No account required · ISBN-10 and ISBN-13 supported · CSV export included
Enter an ISBN to compare current sell, buy, or rental offers.
Paste a list or upload CSV. BookTrapper validates checksums, converts ISBN-10 values, and removes duplicates before searching.
Search up to 500 unique ISBNs, filter by vendor or minimum profit, and review the strongest price opportunities first.
Download a CSV, then confirm condition rules, shipping, minimum order, and payment details on the vendor scorecard.
BookTrapper ranks offers by price rather than sponsorship. Apparent profit is a starting point—not a guarantee—so every report links to available vendor terms and clearly labels offer freshness.
Run a free report for up to 500 ISBNs and export the results.
Start free bulk ISBN search