Fix a letter-size label PDF: convert it to a 4x6 page
Upload the full-page label PDF — get a 4x6 PDF back in one click ↓
Your label is fine — the page around it is the problem. A 4×6 label on an 8.5×11 page either gets split across two thermal labels or shrunk to fit. This page puts the label on its own 4×6 page. 🔒 Files never leave your browser
Drag the blue box (or its handles) around the label. Drag on the page to draw a new box.
How to convert an 8.5x11 label PDF to a 4x6 page
- Find the label PDF you already downloaded (check your Downloads folder or the marketplace's “reprint label” link).
- Drop it into the tool above — Auto-detect finds the label block and ignores packing slips and receipts.
- Check the 4×6 preview; a sideways label is rotated automatically. Drag the box if anything is cut off.
- Click Download 4x6 PDF, then print with paper size 4×6 and scale 100% / Actual size.
FAQ
Why does my label print across two labels?
The PDF page is 8.5×11 (letter), but the printer is loaded with 4×6 labels, so the driver splits the page over two (or more) labels. Crop the PDF to a 4×6 page here, then print with paper size 4×6 and scale 100%.
Why is my label tiny in the middle of the page?
The 4×6 label sits on a full 8.5×11 (letter) page and the printer shrinks the whole page to fit — so the label and barcode come out small. Cropping to just the label makes it print full-size.
I already downloaded the label — do I have to buy or regenerate it?
No. Drop the PDF you already have into the tool: it crops the existing label onto a 4×6 / 6×4 page without changing its content, so you don't need to void, re-buy or regenerate anything.
What if the PDF has a packing slip or receipt under the label?
Auto-detect picks the largest label-sized block on the page, so the slip is left out. If it picks the wrong part, drag the blue box over the label.
Can I convert a screenshot or photo of a label?
Yes, PNG and JPG work too. For a scannable barcode use the original PDF or a sharp screenshot at full resolution.
Are my labels uploaded anywhere?
No. The PDF or image is read and converted entirely inside your browser with JavaScript (pdf.js and pdf-lib). Nothing is sent to a server — you can even disconnect from the internet after the page loads and it still works.
How do I print the 4x6 PDF correctly?
Open the downloaded PDF, choose your thermal label printer, set the paper size to 4×6 in (100×150 mm) and the scale to 100% / "Actual size" (not "Fit to page"). Then print.
Is it free?
Yes. Converting one label at a time is free with no watermark and no sign-up. A Pro option for merging many labels into one PDF is planned.
Other free label tools
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