You’ve seen them but may not have known what they are or what they’re used for. QR tags are two-dimensional “bar codes” that can contain relatively large amounts of data. A standard bar code, such as the familiar UPC codes on product packaging, can encode perhaps a couple dozen characters at most.
By contrast, some QR tags can hold over 4,000 characters. The most common sizes can hold from around 75 to about 400 characters.
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You’ve seen them but may not have known what QR Tags are or what they’re used for.
QR tags are two-dimensional “bar codes” that can contain relatively large amounts of data.
A standard bar code, such as a UPC code, can encode perhaps a couple dozen characters, but…
Some QR tags can hold over 4,000 characters.
The most common sizes of QR Tags can hold from ~75 to ~400 characters.