Pricing tools

Pricing business tools that run locally in your browser.

Shopify Discount Calculator — Stacked Discounts

Calculate final price after stacked Shopify discounts. Enter original price and multiple discount percentages.

GTIN Validator — EAN-13 & UPC Check Digit

Validate GTIN, EAN-13, and UPC barcodes. Verify check digits and format. Free, runs in your browser.

Shipping Cost Calculator

Estimate a shipping charge from weight, dimensions and destination, including the dimensional weight carriers bill when a box is light but bulky.

SKU Generator Online

Build SKU codes from attributes such as category, colour and size, using a consistent segment order so a code stays readable across a catalogue.