ISO 15438

lastmod 2026-11-10created 2024-09-232 edits

ISO 15438 is the international standard that defines the symbology specification of PDF417, a two-dimensional barcode. PDF417 is a stacked barcode made up of multiple rows of codewords; it has error correction and is used on shipping labels, ID cards, airline tickets, and more. The standard covers the symbol structure, data encoding methods, print quality requirements, and so on.