Commerce · alternatives · 2026

24 alternatives to SellerTools Online

Free calculators for Amazon, eBay, Etsy sellers

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   AMZ Seller Tools▲4

   Free FBA calculators and utilities for Amazon sellers

   Jun 2026 · amzsellerstools.com · its alternatives →

2. 2
   eRevenue▲55

   E-commerce platform profit calculator

   2021 · apps.apple.com · its alternatives →

3. 3
   HumanCalculations

   150 free calculators and tools — no signup, runs in browser

   Mar 2026 · humancalculations.com · its alternatives →

4. 4
   SellerFeesCalculator▲8

   Calculate selling fees & maximize profits

   2025 · sellerfeescalculator.com · its alternatives →

5. 5
   Free Automatic FBA Calculator for Amazon▲5

   Free Automatic FBA Calculator For AMZ Sellers by SellerMogul

   2019 · chromewebstore.google.com · its alternatives →

6. 6
   SellerProfitMargin▲4

   Free, zero-signup profit calculator for 6 major marketplaces

   Jun 2026 · sellerprofitmargin.com · its alternatives →

7. 7
   Free Finance Tools▲1

   25+ premium, ad-free calculators for modern e-commerce.

   Jul 2026 · financetoolsfree.com · its alternatives →

8. 8
   ListingsGenius▲1

   Stop losing sales to bad Etsy, eBay & Amazon listings

   Mar 2026 · listingsgenius.com · its alternatives →

9. 9
   Free Ecommerce & Dropshipping Tools▲91

   The all-in-one toolkit for e-commerce growth

   2019 · cloudways.com · its alternatives →

10. 10
    SellerSum▲2

    Free fee & profit calculators for eBay, Etsy, PayPal, Stripe

    Jul 2026 · sellersum.com · its alternatives →

11. 11
    Etsy Fee Calculator▲7

    Calculate your Etsy fees for free

    2025 · multisellr.com · its alternatives →

12. 12
    feeBay - eBay Fee Calculator▲6

    Simple eBay Profit & Fees Calculator

    2020 · chromewebstore.google.com · its alternatives →

13. 13
    EcomCalcTools Quick Calc▲2

    Free ecommerce, marketing & SaaS calculators

    Jun 2026 · chromewebstore.google.com · its alternatives →

14. 14
    Amazon Seller Toolkit

    Free AI-powered toolkit for Amazon FBA sellers worldwide

    Mar 2026 · palians.com · its alternatives →

15. 15
    SellerBot Free Amz Product Research Tool▲3

    Amazon Profit Calculator with restrictions Check

    2025 · chromewebstore.google.com · its alternatives →

16. 16
    EcomCalcTools

    500+ free calculators for Amazon, TikTok, Stripe & Shopify

    Apr 2026 · ecomcalctools.com · its alternatives →

17. 17
    Herminox▲3

    Free Amazon calculators — no signup, runs in your browser

    Jul 2026 · herminox.com · its alternatives →

18. 18
    SellerTools▲5

    Tools for sellers, by sellers

    2022 · its alternatives →

19. 19
    AZ-Helper Amazon Seller Toolkit▲12

    Tools to help Amaozn Sellers save over 50 hours per month

    2025 · az-helper.app · its alternatives →

20. 20
    Calculatorology▲11

    Free online calculators and conversion tools.

    2020 · calculatorology.com · its alternatives →

21. 21
    SellerScout▲7

    Find profitable Amazon products fast — try SellerScout free

    Nov 2025 · sellerscout.com · its alternatives →

22. 22
    ShopWizz▲8

    Sell easy on Etsy, Amazon, eBay, and more

    2025 · apps.apple.com · its alternatives →

23. 23
    calculator ▲6

    Professional calculator tools collection

    2025 · its alternatives →

24. 24
    DS Calculator - Amazon to eBay▲6

    Dropshipping calculator for Amazon to eBay arbitrage

    2017 · play.google.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →