Ontoom
Barcode generator
Generate EAN-13, Code 128, UPC and other formats in the browser — download as SVG or PNG.
Important: Use only for tests, your own labels, or data you have the right to represent. Do not use to counterfeit products.
Have a digitable line from a boleto or bill? Generate the barcode automatically.
How to use
Choose the type (for example EAN-13 or Code 128), enter the value, adjust size/height and generate the image. Processing runs in the browser — nothing is sent to a server.
Supported formats
Code 128, Code 39, EAN-13, EAN-8, 2- and 5-digit UPC extensions, UPC-A, UPC-E, ITF-14, Interleaved 2 of 5, MSI, Pharmacode and Codabar.