Barcode Types & Label Sizes
Supported symbologies and label dimensions.
1D barcode types
| Type | Use case | Input rules |
|---|---|---|
| Code 128 | General purpose: SKUs, serials, logistics | Any ASCII text, up to 128 characters |
| UPC-A | North American retail products | 11-12 digits (check digit auto-calculated) |
| UPC-E | Compressed UPC for small packages | 6-8 digits |
| EAN-13 | International retail products | 12-13 digits (check digit auto-calculated) |
| EAN-8 | Small international retail packages | 7-8 digits |
| Code 39 | Legacy industrial/military | A-Z, 0-9, space, - . $ / + % |
| ITF-14 | Shipping cartons (GTIN-14) | 13-14 digits |
For UPC-A, EAN-13, and EAN-8, you can supply the value without its check digit (e.g. 11 digits for UPC-A) and the app calculates it for you, or supply the full value including a correct check digit.
2D barcode types
| Type | Use case | Capacity |
|---|---|---|
| QR Code | URLs, general data, consumer scanning | Up to 7,089 numeric / 4,296 alphanumeric chars |
| Micro QR | Tiny labels with short values | Up to 35 numeric / 21 alphanumeric chars |
| Data Matrix | Small industrial parts, electronics, healthcare | Up to 3,116 numeric / 2,335 alphanumeric chars |
The app suggests a compatible format automatically based on the length of the value you enter, but you can always pick a format manually.
Note: Basic mode supports Code 128, QR, Micro QR, Data Matrix, UPC-A, EAN-13, and EAN-8. Designer mode and the API additionally support UPC-E, Code 39, and ITF-14 — ten symbologies in total.
Label sizes
US/imperial (inches): 4x6, 4x4, 4x3, 4x2, 3.5x1.125, 3x3, 3x2, 3x1, 2x3, 2.5x1.5, 2.25x1.25, 2.25x0.75, 2x1, 1.75x0.5, 1.5x1.5
International (mm): 100x150, 100x50, 70x50, 62x100, 50x30, 50x25, 40x20, 38x25, 25x10
Designer mode also supports fully custom dimensions, in either unit.