Postmarkr
Upload a PDF—we print, stamp, and mail via USPS First-Class
Postmarkr lets you send physical USPS mail from your computer. Upload a PDF, enter a recipient address validated against USPS, choose your mail class, and we handle printing, enveloping, and postage. Real-time USPS tracking is included for every piece.
Built for small businesses, law firms, and healthcare providers who need to send letters, certified mail, or priority mail without the post office. Pay per piece starting at $1.50 — no subscriptions or monthly fees.
