Send a Letter Online in 2025: The Complete Guide

Send a physical letter online with USPS via The Letter Pilot

You no longer have to find a printer, stamps, or envelopes to send a physical letter. Online mailing services like The Letter Pilot let you send real USPS mail in just a few clicks — straight from your browser.

Online Letter Mailing Pricing

First-Class Mail
Starting under $5
  • ✓ Document printing (up to 5 pages)
  • ✓ Envelope and postage included
  • ✓ 24-48 hour processing
  • ✓ 1-3 business day delivery
Certified Mail
Starting under $10
  • ✓ Everything in First-Class
  • ✓ USPS tracking included
  • ✓ Proof of mailing
  • ✓ Delivery confirmation

No Account Needed • Pricing includes all fees • Processed within 24-48 hours

How to Send a Letter Online (Step-by-Step)

  1. Prepare your document: Create your letter as a PDF or prepare to type it directly in the online editor
  2. Upload or compose: Upload your document or use the built-in editor to write your letter
  3. Enter recipient details: Add the complete mailing address including ZIP code
  4. Choose your mail service: Select standard First-Class or Certified Mail with tracking (see USPS mailing services for details)
  5. Send your letter: Review and submit — we handle printing, stamping, and mailing within 24-48 hours

Benefits of Online Letter Mailing

  • No equipment needed: No printer, envelopes, or stamps required
  • Mail from anywhere: Send from home, office, or on the go using any device
  • Professional handling: Certified tracking options available with proof of delivery
  • Time-saving: Skip the post office entirely — processed within 24-48 hours
  • Secure processing: Enterprise-level security for your documents and addresses

Frequently Asked Questions

How much does it cost to send a letter online?

Online letter mailing starts under $5 for First-Class Mail and under $10 for Certified Mail with tracking. This includes printing, postage, envelope, and processing. No hidden fees.

How long does online letter mailing take?

Letters are processed and mailed within 24-48 hours. First-Class Mail typically delivers in 1-3 business days, while Certified Mail provides tracking throughout delivery.

Can I send a letter online without a printer?

Yes, online mailing services like The Letter Pilot handle all printing, envelope stuffing, and postage. You just upload your document or type your letter directly online. Learn more about printing without a printer.

What file formats can I upload for online mailing?

Most services accept PDF files, which ensure your formatting stays consistent. You can also type letters directly in the online editor. See our guide on how to mail a PDF online.

Is online letter mailing secure?

Yes, reputable online mailing services use secure transmission, professional printing facilities, and USPS delivery. Your documents and addresses are handled with enterprise-level security.

How do I address a letter for online mailing?

Simply enter the recipient's complete address including name, street, city, state, and ZIP code in the online form. The service handles proper envelope addressing and formatting automatically.

Can I send Certified Mail online?

Yes, you can send Certified Mail online starting under $10. This includes USPS tracking, proof of mailing, and delivery confirmation. Learn more about what Certified Mail includes.

Related Mailing Guides

Updated • Send letters online without a printer or post office