Free tools
Reseller tools. No signup.
Quick utilities every reseller reaches for. Built and maintained by HumCity.
Free eBay title generator
Plug in brand, model, and attributes. Get a keyword-stacked, 80-char title formatted the way Cassini ranks in 2026.
Open tooleBay listing fee calculator
Enter price, shipping, and cost. See final value fees, payment fees, and your real take-home in seconds.
Open toolTrading card condition grader
Walk through the four sub-grades the way PSA does. Get a Raw/Near Mint/Mint estimate before paying for grading.
Open tool