pProfivexa
Explore Tools

Free seller profit tools

Know yourreal profitbefore you sell.

Accurate fees, true costs, and smart pricing tools for Amazon, Etsy, eBay, Shopify and more.

Start Calculating Now →Explore All 20 Tools
  • ✓Free to use
  • ✓No sign-up
  • ✓Transparent calculations

Built for sellers across leading marketplaces

Popular seller tools

Start with the tools sellers use most

8 essential calculators to help you price, plan, and grow profitably.

Amazon FBA Profit Calculator

Estimate Amazon FBA profit, margin, ROI and break-even price using your selling price, product cost, shipping and Amazon fees.

Amazon FBA Fee Calculator

Estimate Amazon referral fees, FBA fulfillment costs, storage and other selling fees with a clear per-sale breakdown.

Etsy Fee Calculator

Estimate Etsy listing, transaction, payment processing and optional Offsite Ads fees for a sale with a clear fee breakdown.

Etsy Profit Calculator

Estimate Etsy profit, margin, ROI and break-even price after listing, transaction, payment processing and seller costs.

eBay Fee Calculator

Estimate eBay final value fees, per-order charges and other selling costs with a clear fee breakdown for US sellers.

Shopify Profit Calculator

Estimate Shopify profit, margin, ROI and break-even price after payment processing fees, product costs, shipping and advertising.

Profit Margin Calculator

Calculate profit margin, markup, net profit and break-even selling price from your selling price and total costs.

Break-even ROAS Calculator

Calculate your break-even ROAS, ACOS and maximum ad spend per sale from your selling price and variable costs.

View all 20 seller tools →

Why sellers choose Profivexa

Transparent fee breakdown

See where every dollar goes.

Scenario-ready decisions

Understand how price and cost changes affect profit.

Target profit thinking

Make decisions around margin, ROI and break-even points.

Fee data reviewed against public sources

Marketplace fee data is checked against publicly available platform information.

Simple by design

How It Works

  1. Enter your numbers

    Add selling price, costs, fees and advertising.

  2. See the real breakdown

    Understand profit, margin, ROI and break-even.

  3. Make a better decision

    Adjust pricing and costs before you sell.

Fee data you can trust

Fee data is reviewed against publicly available platform information.

AmazonUnited States — selected categories only
Reviewed against public sources
EtsyUnited States
Reviewed against public sources
eBayUnited States — selected categories only
Reviewed against public sources
ShopifyUnited States — Shopify Basic editable example
Reviewed against public sources

Common questions

Are Profivexa tools free?+

Yes. Profivexa is starting with free seller tools and a free calculator demo.

Do I need to create an account?+

No. The homepage calculator works without an account or sign-up.

Which marketplaces does Profivexa support?+

Profivexa is being built for Amazon, Etsy, eBay, Shopify and sellers who need clear profit calculations.

How accurate are marketplace fee calculations?+

The homepage demo uses your entered cost values. Marketplace-specific fee engines will clearly state their assumptions and verification status when released.

Does Profivexa upload or store my calculator data?+

No. The homepage calculator runs locally in your browser and does not upload your inputs.

Will more seller tools be added?+

Yes. The first tool registry includes additional seller calculators that will be released as complete tools.