Business Tools

General purpose

Code 93

Code 93 is a denser successor to Code 39 with two built-in check characters.

Preview

Enter valid data to see the barcode.

Encoding happens entirely in your browser. This tool encodes numbers you already own — it does not issue or register GS1 company prefixes.

Data rules

0–9, A–Z, and - . space $ / + %

  • Length: 1–48 characters
  • Character set: alphanumeric
  • Check digit: not used
  • Quiet zone: 10 modules

Printing notes

  • Two modulo-47 check characters (C and K) are appended inside the symbol automatically.
  • Code 93 produces a symbol roughly 25% shorter than the equivalent Code 39.

Workflow links

Bulk generator

Generate hundreds of Code 93 symbols from a CSV or pasted list.

Label printing

Print Code 93 on Avery sheets or thermal labels with calibration.

Related barcode formats

Code 39

Code 39 encodes uppercase letters, digits and a few symbols. It is widely used for asset tags and internal inventory.

Code 128

Code 128 encodes any ASCII text or number at high density. Subsets A, B and C are selected automatically for the shortest symbol.

What is Code 93?

Code 93 was designed as a denser, more secure successor to Code 39. It encodes the same character set in about 25% less space and adds two mandatory check characters, which makes misreads far less likely.

Adoption stayed narrow because Code 128 arrived with similar density and broader support, so Code 93 is mostly found in Canada Post and some logistics systems.

Frequently asked questions

Is this Code 93 generator free to use?

Yes. The Code 93 generator is free, has no signup and adds no watermark. The symbol is encoded in your browser, so the data you type is never uploaded to a server.

What file format should I download for printing Code 93?

Download SVG for anything that will be printed. SVG is vector, so bar widths and the quiet zone stay exact at any size. PNG is fine for screens and slide decks, but never scale a PNG barcode up — enlarging it blurs the bar edges and scanners start failing.

Should I choose Code 93 or Code 128?

Choose Code 128 unless a partner or system specifically requires Code 93. Code 128 is denser for numeric data and far more widely supported.

Standards & references

This page follows the published specifications. The bodies that own them: