Save up to 80% off retail postage
Ship smarter.
Track every parcel.
Harborline gets you the cheapest USPS and UPS labels with zero fees, then follows every package from your doorstep to theirs.
Try a sample: 9400 1118… · 1Z84 F2A7… · 9405 5118…
Out for delivery
Denver, CO · arriving today
See what you’d pay — in seconds
Compare every service side by side. Prices update as you type.
Cheapest option
$7.70
USPS Ground Advantage · Zone 8
- USPS
Ground Advantage
5 business days
Save 38%Ship$7.70
$12.47 retail
- USPS
Priority Mail
3 business days
Save 38%Ship$12.89
$20.88 retail
- UPS
UPS Ground
5 business days
Save 38%Ship$13.43
$21.76 retail
- UPS
UPS 2nd Day Air
2 business days
Save 38%Ship$26.81
$43.43 retail
- USPS
Priority Mail Express
2 business days
Save 38%Ship$38.40
$62.21 retail
Everything you need to ship. Nothing you don’t.
Commercial rates for everyone
The same deep discounts big e-commerce brands get on USPS and UPS — whether you ship one box a year or a thousand a day.
No fees. No markups. Ever.
No monthly subscription, no label fees, no minimums. You pay exactly the postage price you see.
Tracking that actually tells you things
Every scan, every facility, every hand-off on one clean timeline — from label creation to the front porch.
Print on anything
Standard 8.5×11 paper or 4×6 thermal labels. Buy, print, stick it on the box, and you’re done.
Three steps from box to doorstep
- 1
Enter your package
Addresses, weight, done. We compare carriers instantly.
- 2
Buy & print your label
Pick the cheapest or fastest service and print at home.
- 3
Track it to the door
Share the tracking link and watch it sail across the map.
Ready to cast off?
Create your first label in under a minute. No account needed.