EcomCalctools gathers fee and profit calculators for many selling platforms in one place, including Amazon, Etsy, Shopify, eBay, TikTok Shop, Walmart and Noon, plus payment services like Stripe and PayPal. You enter your costs and see what is left after every fee.
The calculators run in the browser with no signup or email required, and the numbers you enter stay on your device. It is useful for sellers, including those in Pakistan selling abroad, who want to check margins before listing a product.