Shipping Label Resizer
Convert any shipping label PDF to 4×6 thermal size — fit, rotate, or split 2-up sheets. Zero uploads, batch-friendly, free.
Drop shipping label PDFs here
or
Processed entirely in your browser — labels never leave your computer.
How it works
Drop your label PDF
Carrier labels, marketplace printouts, customs forms — drag one or a hundred. Files open locally; nothing is uploaded anywhere.
Pick a mode
Fit whole page scales any label onto 4×6 (landscape auto-rotates). Split 2-up sheet cuts the standard two-labels-per-Letter-page layout into two separate thermal pages.
Print on 4×6
Download one merged, print-ready 4×6 PDF — every page sized exactly 4×6 inches for Rollo, Zebra, MUNBYN and other thermal printers.
Why sellers use it
Zero uploads
Carrier labels carry your address, order numbers and tracking barcodes. Label Resizer processes them with in-browser PDF tooling — the bytes never leave your machine.
The 2-up splitter
Marketplaces love printing two labels per Letter page. Thermal printers hate it. The split mode cuts those sheets into clean individual 4×6 pages in one pass.
Landscape? Rotated.
Some carriers emit landscape PDFs. Auto-rotate turns them 90° so the barcode and address fill the thermal paper the right way up.
Batch in one pass
Queue a whole day of orders and get a single merged 4×6 PDF — one print job, no per-label fiddling.