Free Codablock F barcode generator
Create a scannable Codablock F symbol right here in your browser. Long Code 128 payloads stacked into rows when the label is not wide enough for one line. Download it as PNG, SVG or PDF — no signup, no watermark, and nothing you type leaves your computer.
Codablock F settings
#000000#FFFFFFPreview
Codablock F specification
| Type | 2D matrix / stacked code |
|---|---|
| Character set | full ASCII, as Code 128 rows |
| Length | variable, stacked across multiple rows |
| Check digit | row and column check characters, added automatically |
| Standard | ISO/IEC 15417 (stacked Code 128) |
| GS1 symbology | No |
Where Codablock F is used
Long Code 128 payloads stacked into rows when the label is not wide enough for one line.
Printing Codablock F on a thermal printer
A generated image is fine for a one-off. For a production run you want the barcode rendered by the printer at its own resolution, sized in whole dots so the narrow bar lands on an exact dot boundary. LabelInn does that on Zebra, TSC, Toshiba and Epson hardware, and it can drive one label per row straight from your data.
Frequently asked questions
Is this Codablock F generator really free?
Yes. The generator runs entirely in your browser, there is no signup, and the downloads carry no watermark.
Does my data get uploaded anywhere?
No. The symbol is encoded locally in your browser. Nothing you type is sent to a server.
What can Codablock F encode?
full ASCII, as Code 128 rows. Length: variable, stacked across multiple rows. Check digit: row and column check characters, added automatically.
Can I print Codablock F labels in bulk from a spreadsheet?
Not from this page — this tool makes one symbol at a time. LabelInn binds a spreadsheet column to the barcode field and prints one label per row on a thermal printer.
Printing Codablock F labels in production?
This generator makes one symbol. When you need a batch — one label per row from a spreadsheet, a database or your API — LabelInn renders Codablock F natively on the printer at its own resolution.
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