Thermal Shipping Labels
Convert supported shipping-label PDFs into clean, print-ready formats for thermal printers, including 4 × 6 inch and 100 × 150 mm labels.
Start here
Convert your PDF for thermal printing
Upload your supported shipping-label PDF and select the thermal format that matches your printer and label stock.
Drop your A4 label PDF here
Drag and drop your marketplace PDF here, or choose a file from your computer.
PDF only · Maximum 100 MB
Thermal printing explained
Prepare shipping labels for thermal printers
Thermal printers are commonly used for shipping labels because they can print directly onto compatible adhesive label stock without requiring traditional ink or toner.
LabelForge helps prepare supported shipping PDFs into output dimensions that match common thermal-label workflows.
Common thermal formats
Select the size matching your label stock
Choose your format
4 × 6 vs 100 × 150 mm
Both formats are widely used for thermal shipping labels. Select the option that matches your actual printer and label stock.
4 × 6 inch
A common thermal shipping-label format measuring 4 inches by 6 inches.
100 × 150 mm
A common metric thermal-label dimension used for shipping workflows.
How it works
Prepare a thermal shipping label in four steps
Upload
Select your supported shipping-label PDF.
Extract
Supported labels are detected and extracted.
Choose size
Select 4 × 6 inch or 100 × 150 mm output.
Download the generated PDF and print it.
Printer setup
Make sure your thermal printer uses the correct size
The PDF dimensions and the physical label stock should match your printer configuration. Incorrect paper-size settings can cause labels to be resized, clipped or positioned incorrectly.
Match the paper size
Configure the printer for the actual label stock loaded into the printer.
Check orientation
Use portrait or landscape output according to the physical orientation of your label.
Check PDF scaling
When exact dimensions are required, avoid Fit to Page or automatic scaling.
Preview before shipping
Always verify the generated and printed label before attaching it to a shipment.
Marketplace workflows
Prepare marketplace labels for thermal printing
Use the marketplace-specific tools below or upload a supported shipping-label PDF above.
Need an office printer?
Print multiple shipping labels on A4 instead
If you don't use a thermal printer, LabelForge also supports A4 4-up and 6-up layouts for supported shipping-label PDFs.
Explore A4 label printingFrequently asked questions
Thermal shipping label FAQ
What are thermal shipping labels?+
Thermal shipping labels are labels designed for thermal printers. Common shipping-label dimensions include 4 × 6 inches and approximately 100 × 150 mm.
Can I convert a shipping-label PDF for a thermal printer?+
Yes. LabelForge can process supported shipping-label PDFs and generate thermal-oriented output formats such as 4 × 6 inch and 100 × 150 mm.
What is the 4 × 6 shipping-label size?+
A 4 × 6 inch label is a common thermal shipping-label format measuring 4 inches by 6 inches. Select the corresponding output orientation based on your label stock and printer setup.
What is a 100 × 150 mm shipping label?+
A 100 × 150 mm label is a common thermal shipping-label dimension. It is approximately 3.94 × 5.91 inches.
Can I convert labels to 100 × 150 mm?+
Yes. LabelForge provides a 100 × 150 mm portrait output format for supported shipping-label PDFs.
Can I use a 4 × 6 thermal printer?+
LabelForge can generate 4 × 6 inch output for supported PDFs. Your printer should be configured for the corresponding physical label stock.
Why is my thermal label printing at the wrong size?+
Check that the printer is using the correct label dimensions and that your PDF print dialog is not applying automatic scaling such as Fit to Page or Scale to Fit.
Can I use LabelForge for Meesho, Flipkart and Amazon labels?+
LabelForge provides marketplace-specific workflows for supported Meesho, Flipkart and Amazon shipping-label PDFs. The generated output should always be reviewed before printing.
Should I check the label before using it for shipping?+
Yes. Always review the generated PDF and printed label for the recipient information, barcode, tracking details, orientation and physical dimensions before using it for a shipment.
Ready to print your thermal labels?
Upload a supported shipping-label PDF and choose the thermal format that matches your label stock.
Start converting