Test before postage
Print a safe test before the real carrier label.
Guides explain the test-print flow for free. Template downloads, calibration generation and test print packs unlock with Pro Toolkit.
Use this order
1 · Match the paper
Pick the size loaded in the printer: 4×6, A4 or Letter.
2 · Print at 100%
Disable Fit to Page, browser headers and driver scaling.
3 · Measure the output
Fix scale or alignment before printing live postage.
Blank templates
Unlock a 4×6, A4 or Letter blank PDF and print at 100% / Actual Size to confirm paper size and scale.
Unlock blank template
Calibration sheet
Generate a ruler and alignment sheet to check scale, margins and center position before paid postage.
Generate calibration sheet
Test print pack
Generate paid test PDFs for thermal and sheet printers when one blank template is not enough.
Build test print pack
Blank PDF downloads
These PDFs contain borders and measurement guides only. They do not include carrier barcodes or postage.
Download does not mean ship-ready
Before using any downloaded PDF on a real package, test-scan the barcode, confirm the printed size, and check every address and customs field. If anything looks wrong, do not ship with that output.