How to use this tool
- Enter your values in the labelled fields or load the worked example.
- Review the assumptions below, then run the tool.
- Review the result, then copy or download it.
Try this example
{"columns": 3, "heightMm": 35, "labels": [{"text": "Kitchen\nFragile"}, {"text": "Office\nBooks"}]}Accuracy and scope
Generic A4 layout with 10 mm page margins and 2 mm gaps. Not a certified commercial label-stock template. Check print scale.
Is my data uploaded?
This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.