Contact Us

Questions, a missing label size or a barcode that won't scan? Send us a message. A real person on the team reads every one.

Send us a message

Before you write

These answer the questions we get most often:

Labels don't scan or print in the wrong place Check print scaling, alignment and a phone test scan. Printing help
Can't find your label size See every sheet and roll we support, and what fits on each. Label sizes
You need a UPC number We don't sell numbers. Here's where they come from. Getting a UPC number
A number shows a check-digit error See the maths step by step and spot a lost leading zero. UPC validator

When you'll hear back

We're a small team at Glenwhisper Limited. We read every message and aim to reply within a few working days.

What helps us help you

The label stock or size you chose
Your printer model, and whether you printed at actual size (100%)
What the scanner or retailer reported

Please don't include customer details, passwords or payment information. Want to know who runs this site?