Free Tool

Your Amazon sales dropped. Find which lever broke.

Pull four numbers from Seller Central (Business Reports → Detail Page Sales and Traffic) and get the same first read a category manager would run: did traffic break, or did conversion? No email, no account.

This period vs. the same window before the drop
Use matching windows: this week vs. the week before, or this month vs. last month. Seasonal category? Compare to the same weeks last year instead.
Enter all four sessions and conversion numbers first. Conversion is the unit session percentage from Business Reports.

How this works, and where the logic comes from

The fork is simple arithmetic on your own numbers. A move of more than 10% against the comparison window counts as a real change; under that we call it flat, because normal week-to-week noise on Amazon routinely swings single digits. The branch logic and cause rankings come from our long-form diagnostic, Why Are My Amazon Sales Down?, which cites the underlying evidence: seller analyses attribute roughly 80% of sudden drops to a lost Buy Box, a dropped rank, or an uncompetitive price (Begg, 2026); stockout recovery typically takes two to four weeks (8fig, 2026); and negative reviews move sales more than positive ones (Chevalier & Mayzlin, 2006).

The revenue gap estimate is your own data multiplied through: units = sessions × conversion, and the gap is the difference in units between the two windows at your average selling price. It is a description of what already changed, not a forecast.

Limits: the tool reads the two numbers you give it and nothing else. It cannot see seasonality, ad spend changes, or category shifts, so rule those out with the same-weeks-last-year comparison before acting. Runs entirely in your browser; we never see your numbers.