QR codes are much more information-dense than 1D barcodes. Try encoding a string like "The quick brown fox jumps over the lazy dog" (43 ASCII characters) using

QR codes are much more information-dense than 1D barcodes. Try encoding a string like "The quick brown fox jumps over the lazy dog" (43 ASCII characters) using these tools and seeing how much space they take up: * https://www.nayuki.io/page/1d-barcode-generator-javascript https://www.nayuki.io/page/1d-barcode-generator-javascript * https://www.nayuki.io/page/qr-code-generator-library https://www.nayuki.io/page/qr-code-generator-library