text · encode

Code 128 Barcode Generator

Encodes printable ASCII text as a Code 128 (set B) barcode with the standard weighted checksum and 10-module quiet zones, rendered to a crisp PNG. What you see is exactly what downloads — scannable by any Code 128 reader.

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A little guidance. A better result.

How to use Code 128 Barcode Generator

Text → a scannable Code 128 (set B) barcode PNG with the standard checksum and quiet zones.

  1. Prepare your input

    Enter printable ASCII text.

  2. Use the workspace

    Inspect the generated Code 128 set B barcode.

  3. Check your result

    Download PNG and test it with the scanner and print size you will use.

Know the limits

It is not a QR, EAN or UPC generator. Keep the quiet zones clear for reliable scanning.

Where does my input go?

This browser tool processes your input on your device. Optional analytics is a separate choice; it is not needed to use the tool. Keep your original until you have checked the result.

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