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How It Works
Resizing a shipping label is straightforward. Upload your label (PDF or image), choose your paper size and desired output format, and download the resized PDF. The tool automatically scales your label to fit perfectly, whether you're using sticker sheets, thermal printers, or regular paper.
Works with any courier or e-commerce platform. No signup, no watermark, no fuss. Just instant, reliable label resizing that saves you time every day.
Your files never leave your browser. Everything is processed locally on your device for maximum privacy and security.
USPS Label Resizing for US Sellers and Shippers
Click-N-Ship Compatible
Works with labels generated from USPS Click-N-Ship, including Priority Mail, First Class Package, Ground Advantage, and all other USPS services.
Priority Mail & Flat Rate Labels
Resize USPS Priority Mail and Flat Rate labels to 4x6 thermal format for Rollo, Zebra, and Dymo printers, or to half-page sticker sheets.
Third-Party Platform Labels
Buying USPS postage through Pirate Ship, Stamps.com, or eBay? Labels from any platform resize the same way — just upload the PDF.
Barcodes & IMpb Preserved
All USPS Intelligent Mail parcel barcodes (IMpb) remain intact after resizing. Your parcels will track correctly at every USPS scan point.
Instant Processing
No upload delays, no servers. Everything happens in your browser for immediate results with complete privacy.
Completely Free
No signup, no login, no charges. Resize as many USPS labels as you need at zero cost.
Frequently Asked Questions
How do I resize a USPS shipping label?
Download your USPS label as a PDF from Click-N-Ship, Pirate Ship, or wherever you purchase postage. Upload it to this tool, select US Letter as your paper size, choose your output format (4x6 thermal, half page, or full page), and click Resize & Download.
Can I print USPS labels on a thermal printer?
Yes. Select 4x6 Thermal as your output format. The tool resizes your USPS label to the standard 4x6 inch size for Rollo, Zebra, Dymo, and all other thermal printers. Print at 100% scale — no scaling adjustments needed.
What size are USPS Click-N-Ship labels?
USPS Click-N-Ship generates labels as US Letter PDFs (8.5x11in). This tool resizes them to 4x6 thermal (4x6 inches), half-page (5.5x8.5in), or keeps them at full Letter size.
How do I convert a USPS label to 4x6 format?
Upload your USPS PDF to this tool, select US Letter as your paper size, choose 4x6 Thermal, and click Resize & Download. The result is a 4x6 PDF ready for any thermal printer with all barcodes intact.
Does this work with USPS Priority Mail labels?
Yes. USPS Priority Mail, Priority Mail Express, First Class Package, Ground Advantage, Media Mail, and all other USPS service labels all work with this tool.
What happens to my USPS label files?
Your files never leave your browser. All resizing happens locally on your device. Your shipment data stays completely private — no servers involved.
USPS Label Use Cases
USPS Click-N-Ship Labels
Buying postage direct from USPS Click-N-Ship? Download as PDF and resize to 4x6 thermal or half-page sticker format in seconds.
Priority Mail & Priority Mail Express
Shipping time-sensitive parcels with USPS Priority Mail? Resize labels to fit your thermal printer and keep your packing line moving.
Thermal Printer Setup
Using a Rollo, Zebra, or Dymo printer for USPS shipments? Select 4x6 thermal format and print directly at 100% scale without any scaling.
eBay & Etsy USPS Labels
Selling on eBay or Etsy and using USPS as your carrier? Resize your platform-generated USPS labels to fit your thermal printer or sticker sheets.
First Class & Ground Advantage
USPS First Class Package and Ground Advantage labels resize cleanly to 4x6, with all barcodes and addresses perfectly preserved.
Sticker Sheet Labels
Using US Letter adhesive sticker sheets? Resize your USPS label to half-page (5.5x8.5in) and fit cleanly on one half of each sheet.