The older general-purpose barcode still required by some industrial, automotive, defence and badge systems. Uppercase letters, digits, space and a few symbols. Wide, so keep it short.
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SVG, PNG at 600 dpi, PDF, label sheets
2 · Content · Code 39
A–Z, 0–9, space and - . $ / + %. Lower case is converted.
3 · Size and print
At 300 dpi each bar is 4 printer dots = 0.339 mm. The PNG uses exactly that.
4 · Download
SVG and PDF are vectors at the exact millimetre size shown. The PNG uses a whole number of printer dots per bar so nothing blurs. Generated in your browser; nothing is uploaded.
Only use Code 39 when a system requires it. Code 128 is denser and safer for anything new.
Not by default. Some systems require the optional mod-43 check character; ask the system owner.
Standard Code 39 cannot. Text is converted to upper case here.
Other barcodes