Free Shopify Inventory Tools

10 free tools for Shopify merchants — no signup, no credit card, instant results.

All free

Generate a professional purchase order email to your supplier in 10 seconds. Free, no signup.

Calculate the exact inventory level at which you should reorder each SKU.

Find out exactly how much stockouts are costing your store every month.

See how many days of stock you have left for any SKU before you run out.

Calculate the right safety stock buffer to protect against demand spikes and supplier delays.

Find the optimal order quantity that minimizes your total inventory costs.

Track your suppliers' actual vs. stated lead times and get a reliability score.

Generate a professional email to negotiate minimum order quantities with your supplier.

Shopify Stocky is shutting down Aug 31, 2026. Here's everything you need to do before then.

Get a 0–100 score of your inventory health with specific recommendations to improve it.

Want all of this automated?

Reorderly replaces every one of these manual tasks — monitoring inventory, calculating reorder points, and sending POs to suppliers automatically.