Amazon Seller Tools

Free calculators and utilities for Amazon FBA sellers and virtual assistants. No signup, no limits, 100% private.

Fee & Profit Calculators

Calculate all Amazon FBA fees — referral, fulfillment, storage — by category and size tier.

Calculate net profit per unit after all Amazon fees, PPC spend, and costs.

Calculate return on investment, payback period, and monthly profit projections.

Look up referral fee rates for all 30+ Amazon product categories.

Estimate monthly and long-term FBA storage costs with aged inventory surcharges.

Visual pie chart and bar chart breakdown of all Amazon seller fees.

Calculate the true cost of Amazon coupons including the $0.60 clip fee.

Estimate monthly sales volume from BSR rank across 22 product categories.

Deep BSR analysis with reverse calculator and visual sales charts.

Score product viability out of 100 with GO, CAUTION, or STOP verdict.

Compare up to 5 competitors side by side with market gap scoring.

Generate keyword expansions and optimize backend search terms (250 bytes).

Generate optimized product titles, bullet points, and descriptions.

Real-time character and byte counter for all Amazon listing fields.

Generate category-specific listing templates with format guides.

All 17 A+ Content module image sizes with drag-and-drop validator.

Calculate ACoS, ROAS, TACoS, and break-even advertising metrics.

Calculate optimal CPC bids with bid strategy comparison table.

Find FBA size tier and billable weight from package dimensions.

Plan reorder timing with stockout dates and 90-day inventory projection.