A machine-readable code printed on products for quick identification
A barcode is a visual, machine-readable representation of data, typically printed as a series of parallel lines (1D barcode) or a square pattern of dots (2D barcode or QR code) on product labels and packaging. When scanned using a barcode reader or smartphone camera, the barcode instantly retrieves product information such as name, price, HSN code, and current stock level from the inventory system. For Indian small businesses, barcodes dramatically speed up the billing process, reduce manual data entry errors, and enable accurate real-time inventory tracking. Barcodes are especially useful during stock audits and physical verification, as scanning is much faster than counting and recording manually. Common barcode formats used in India include EAN-13 for retail products and Code 128 for internal inventory management. Many Indian businesses now generate their own barcodes using inventory software, eliminating the need to rely on manufacturer-printed codes.
A grocery store in Ahmedabad uses barcodes for all 2,000 items in stock. During billing, the cashier scans each product's barcode, and the system automatically adds the item name and price to the bill. A pack of Toor Dal with barcode 8901234567890 is scanned and shows Rs. 180 on the bill. The system simultaneously reduces the stock count from 45 to 44 packs. At month-end, the owner generates a stock report by scanning all shelf items, completing a physical count of 2,000 products in just 3 hours instead of a full day.
You can use either. A dedicated barcode scanner (Rs. 1,000-3,000) is faster for high-volume billing. However, most modern inventory apps including Stock Register support phone camera scanning, which works well for small shops with moderate billing volume. Bluetooth scanners that connect to your phone are a good middle-ground option.
Yes, you can generate your own barcodes for loose items, locally sourced products, or any item without a manufacturer barcode. Stock Register lets you create and print barcode labels in standard formats like Code 128 or EAN-13. You can print them on regular A4 sheets or use a thermal label printer for professional-looking stickers.
A barcode (1D) stores data in horizontal lines and typically holds 8-15 digits — enough for a product ID. A QR code (2D) stores data in a square grid pattern and can hold much more information like URLs, invoice details, or complete product descriptions. For retail billing, 1D barcodes are sufficient and scan faster. QR codes are used on e-invoices and payment UPI screens.
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