Barcode Scanner App for Inventory — Free Web Tool, No Download Required

What makes a barcode scanner useful for inventory?

For inventory use, you need to both scan existing barcodes on products (to look them up or check them in/out) and generate new barcodes for items that do not yet have labels. A free barcode scanner app that also generates barcodes in Code128, EAN-13, UPC-A, and other formats gives you a complete inventory solution without paying for specialised software.

Common inventory barcode use cases

• Scanning items into a spreadsheet as stock arrives
• Printing barcode labels for products, shelves, or storage bins
• Checking items in and out of a warehouse or stockroom
• Verifying product barcodes against a supplier invoice
• Creating asset tags for office equipment, tools, or company property
• Generating shelf-edge labels for a retail or pop-up store

Which barcode format should you use for inventory?

For internal inventory, Code128 is the best choice — it supports all letters, numbers, and symbols, is universally readable by every scanner, and has no registration requirements. If you sell products through retail channels (supermarkets, Amazon, Walmart), you need EAN-13 (international) or UPC-A (North America) with a registered GS1 number. For pallet or outer carton tracking in a supply chain, ITF-14 is the standard. SafeKit generates all of these formats free.

How to set up a free barcode scanner for inventory (step by step)

1. 1Go to safekit.pro/barcode-generator — no account needed.
2. 2Select Code128 (best for internal inventory). Type your product SKU or asset ID as the barcode value.
3. 3Download the barcode as SVG for print-quality output, or PNG for digital records.
4. 4Print the barcode onto adhesive label sheets using a standard inkjet or laser printer.
5. 5To scan a barcode with your phone: go to safekit.pro/qr-code-scanner on your Android or iPhone browser.
6. 6Tap "Start Camera", point at the barcode, and the decoded value appears instantly — ready to copy into a spreadsheet.

For a fast inventory workflow, open safekit.pro/qr-code-scanner on your phone and safekit.pro/barcode-generator on your laptop at the same time. Scan on mobile, create new labels on desktop — no app install needed on either device.

Free barcode scanner app vs. paid inventory software

Paid inventory platforms like Sortly, inFlow, and Fishbowl bundle barcode scanning with full stock management features (reorder alerts, purchase orders, reporting). These are worth the cost for businesses with hundreds of SKUs and multiple locations. For small businesses, freelancers, or anyone who tracks inventory in a spreadsheet, a free web-based barcode tool covers 90% of the same scanning and label-printing needs at zero cost.

Tips for printing inventory barcodes that scan reliably

• Always download SVG for print — PNG at low resolution will produce blurry bars that fail to scan.
• Keep a white quiet zone (blank margin) of at least 3mm on each side of the barcode.
• Print at 100% scale — do not stretch or squash the barcode in your label software.
• Minimum readable size for Code128: 25mm wide × 10mm tall for handheld scanners.
• Use matte label paper — glossy surfaces cause scanner reflections that reduce reliability.

Continue reading