EAN-13 is a 13-digit GTIN used on many India/EU retail products: 12 data digits + 1 check digit.
Use GTIN Check Digit Calculator in Complete mode with a 12-digit body (example path 890600100100 → check 3 → 8906001001003).
Tools.Town does not sell or invent company prefixes. For drawing bars today, EAN-13 Barcode Generator encodes digits as Code 128 until dedicated EAN symbology ships.
Hub: Barcode Ops.