Barcode Generator

O que é Barcode Generator?

A barcode generator is a tool that encodes a string of text into a machine-readable pattern of bars and spaces that a barcode scanner can read back as data. Barcodes are used to identify products, track inventory, label assets, and encode serial numbers across retail, shipping, and manufacturing. This generator produces Code 39, one of the oldest and most widely supported barcode symbologies, which is readable by essentially every standard scanner without special configuration. Code 39 encodes uppercase letters A through Z, digits 0 through 9, space, and the symbols - . $ / + %, which covers product SKUs and most serial numbers but excludes lowercase and most other punctuation. The output is a genuine, spec-correct barcode rendered as a downloadable image rather than a decorative approximation.

Como usar Barcode Generator

1. Type the text you want to encode — letters are automatically uppercased since Code 39 has no lowercase.
2. The barcode renders instantly as you type, with the human-readable text shown underneath.
3. Adjust the bar width and height if you need a larger or smaller barcode for your label.
4. Click "Download PNG" to save the barcode as an image.

Exemplos