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Barcode Generator: Formats, File Types, and Size Limits

A reference for the barcode formats, the value length, and the PNG and SVG exports.

Published August 28, 20264 min read
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Formats, exports, and limits for Barcode Generator

A practical reference for what the tool handles.

Input and no file limits

The tool takes the text or number you want encoded. There is no upload, so there are no file size limits.

Supported barcode formats

FormatUse
EANRetail product codes
UPCRetail product codes (North America)
Code128Dense, general-purpose encoding
Code39Simple, widely supported legacy format

Export options

ExportWhen to use
PNGQuick use in documents and web pages
SVGPrinting at large sizes; stays sharp

Value length

Keep values within the limits of your chosen format. Retail formats like EAN and UPC expect a fixed set of digits; Code128 and Code39 accept longer text.

Verdict

Barcode takes your value, encodes it in the format you choose, and exports it as PNG or SVG.

Free tools to do it now

Frequently asked questions

What barcode formats are supported?

EAN, UPC, Code128, Code39, and other common linear formats.

How do I get a sharp image for printing?

Download SVG, which stays sharp at any size.

Is there a file size limit?

There are no uploaded files, so no file size limits.

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