No signup, no cost, nothing sent to a server — every calculation runs entirely in your browser.
Generate CODE128, EAN-13, UPC-A, and CODE39 barcodes or QR codes and download as PNG.
Calculate your reorder point, safety stock, and economic order quantity (EOQ).
Calculate selling price, margin %, markup %, and profit per unit.
Create a professional invoice and download it as a PDF — nothing saved on a server.
Calculate your stock turnover ratio and average days to sell inventory.
Find how many units and how much revenue you need to cover your costs, or to hit a profit target.