Generate a Number 10 Envelope in PDF with automatic POSTNET bar coding.
Press the "Generate Envelope" button to dynamically generate the envelope in PDF.
The envelope will show a POSTNET bar code if a valid 5 or 9 digit zip code is found.
This page uses the Freeware PDF library, FPDF. You can also get the PHP source code to generate POSTNET bar codes.
Click to get the Source Code for PDF letter generator online.