How to use it
- Choose a PDF and select QR code or barcode format.
- Enter data, generate a preview, and set page, position, and size.
- Insert it on one or every page and download the PDF.
Helpful tips
- Shorter QR data creates fewer modules and scans more reliably.
- EAN-13 and UPC-A check digits are validated or calculated automatically.
- Test the printed code at its real size so it is not too small to scan.
Frequently asked questions
Which barcodes are supported?+
Printable ASCII Code 128 and common retail EAN-13 and UPC-A are supported.
Can I add it to every page?+
Yes. Select Apply to every page to repeat it in the same position.