How to Mail a Letter Online

Mailform is the fastest and easiest way to mail letters online

Updated 4.9.2020

Our Virtual Mailroom is here to help. Use the discount code WORKFROMHOME to get 30% off all mail services until April 30, 2020. Send USPS First Class Mail starting at $2.09 & USPS Certified Mail Starting at $8.39, anywhere in the USA (after WORKFROM discount)

Click here for Bulk Mail - Send International Mail for an additional $1.40 per envelope. Please check USPS delivery Alerts for International Mail due to COVID-19

Click here for a Single Letter

If you're wondering how to mail a letter, you no longer have to go to the Post Office to send mail. Now, with Mailform, you can mail a letter online, right from your computer. All you need is the letter (in PDF form), the mailing address, and a credit card, and you'll be off to the races in moments. 

Instructions for Mailing a Letter via Mailform:

  1. Head to and upload the letter you want to send:

  2. Once you've uploaded your letter(s), hit ‘NEXT’

  3. Tell us who to the letter is for (the recipient)

  4. Enter a return address (this is where the letter should go if it's returned) 

  5. Choose from double sided, printing in color, or USPS Certified Mail (and get a tracking link). 

You can pay with a credit card or via Paypal. It’s as simple as that. Mailform also integrates with all your favorite services, including Google Docs, Quickbooks, Freshbooks, and more. Mailform is perfect for mailing a letter, online or offline. Regardless of what you want, whether you're mailing a letter via USPS First Class Mail, USPS Certified Mail, USPS Priority Mail, USPS Priority Mail Express, or FedEx Overnight, mailing a letter has never been easier.

If you want to Mail a letter via an overnight or expedited service, Mailform supports several options

In addition, you can send via USPS Priority Mail for expedited, but less expensive service. If you're interested in the absolute fastest option, our sister service SendOvernightMail enables you to print and mail via Fedex (orders are shipped via Fedex Kinkos): using Fedex Overnight or Fedex 2 Day. All Fedex and USPS Priority options come with delivery confirmation via email, and you'll get a tracking number that you can independently use to verify document delivery.

 Check it out, and tell us what you think. If you have questions, comments or suggestions, email us at

These happy customers and businesses are using Mailform

"Mailform saves me time. Period."

- Alex Andon, Simility

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- Brett Florio, FoxyCart