• Ridiculously Simple
  • Robust API for .Net Developers
  • Simple 20 Character Format:
  • Royalty Free, Public/Private Key Licensing System
Buy Serial Key Maker Lite for $119 - 30 day Money back Guarantee Buy Serial Key Maker Standard for $199 - 30 day Money back Guarantee Buy Serial Key Maker Pro for $299 - 30 day Money back Guarantee

Effortless Software Licensing

You have invested hundreds of hours into your product, you need to protect it from unauthorized use.

Serial Key Maker is the best software licensing system available because it allows developers and non-developers the flexibility of controlling the licensing software within your application while minimally affecting your users.

"The PETRAX Software has put together a truly great piece of software. - Harry J. Wynn IV"

Protect Your Hard Work

"You can’t beat all the functionality, easy integration with your code - Jennifer Coots"

Allow your users to view features of your application in demo mode while protecting the full application.

Allows you to disable DEMO mode after a set number of days.

Create 1000's of software license keys that easily integrate into most online processing systems. Read more

Our Users Love Us!

We pride ourselves in getting you successful with Serial Key Maker.

Your purchase includes 30 days free support, and we will not stop helping until you are happy and have successfully implemented the best software licensing solution available!.

"The customer service provided by PETRAX Software has been second to none" -
William Smith
Get a 10% Discount!

Use the coupon code: SKM_PRO_10 when purchasing the PRO version of Serial Key Maker to get a 10% off the regular price

Download Trial Version from Here