Practical calculators and generators for sellers, founders, and freelancers. Price products, plan inventory, and generate the codes your business runs on — built to solve real operational problems, not just spit out a number.
Product SKUs with variations & CSV export.
True profit per sale after fees & costs.
Sale prices, stacked discounts & savings.
Price products from cost with the right markup.
How many sales to cover your costs?
Return on investment, annualized & payback.
Professional invoices with tax & PDF export.
Listing copy that sells, in your tone.
Dimensional weight & free-shipping check.
Online sellers, marketplace merchants, freelancers, and small business owners who need quick, reliable answers for daily operations.
Yes — use the outputs (SKUs, calculations) freely in your business. No signup, no fees.
Yes — we're building a full Seller Toolkit. Check back regularly or browse the category for the latest additions.