Inventory · Free tool

Barcode & QR Generator

Generate QR codes, Code 128 or EAN-13 barcodes for your products and download them as images — ready to print and scan.

Code type

Text or link

QR codes can hold a link, phone number, MoMo prompt, or any text.

MerxumOS generates and prints barcode labels for your whole catalogue in batches — and scans them at the POS out of the box.

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Ghana VAT & Tax Calculator

Work out VAT, levies, PAYE and SSNIT in seconds.

Invoice & Receipt Generator

Create and download a professional invoice or receipt.

Profit Margin Calculator

Find your margin, markup and the right selling price.

Break-even Calculator

See how many sales you need to cover your costs.

Savings & ROI Calculator

Estimate the time and money MerxumOS saves you.

Reorder Point Calculator

Know exactly when to restock before you run out.

Plan Recommender

Answer four questions, get your ideal MerxumOS plan.

MerxumOS does all of this automatically — and runs your sales, stock, staff and finances in one place.