Send USPS First Class or Certified Mail Online

Mailform is the easiest way to send USPS first class or certified mail online. Gone are the days when you have to leave your home or office, buy stamps and envelopes, or wait in line at the post office to send USPS first class mail. With instant PDF uploads, immediate address validation, and tracking numbers for certified mail, you can get going in seconds. Here's how it works First, visit, and:

  1. Upload the documents, letters, or whatever else you want to send
  2. Select a mailing address and recipient. We'll use this to address the envelope
  3. Choose a return address (if your recipient doesn't receive this, we'll return the mail to you)
  4. On the confirmation view, select from several of our options including printing double vs single sided, in color vs. black and white, or to send yourself a copy. To track this package and get notified when it's delivered, select the Certified Mail option.
  5. We'll email you when your document is in the mail. 

Try it out, and let us know what you think. Mailform is perfect for postcards, letters, documents, invoices and more.

These happy customers and businesses are using Mailform

"Mailform saves me time. Period."

- Alex Andon, Simility

"We print monthly invoices and the quick support is fantastic!"

- Brett Florio, FoxyCart