Block Diagram Software

Making block diagrams with SmartDraw is easy for anyone to do. Just start with the block diagram template and then add your own information by choosing from our large selection of symbols. Adding lines and connectors is quick, too, when you use SmartDraw's automation to help create your diagram. Whether you are an experienced professional or a novice, designing block diagrams that are ready to print, share or present is possible in only minutes and the results look great every time.

Top reasons SmartDraw is the ideal block diagram software:

  • Quick-Start Templates
    Dozens of electrical design examples make you instantly productive. Choose a block diagram template that is most similar to your project and customize it to suit your needs.
  • Exhaustive Symbol Library
    You get hundreds of ready-made visuals and templates for electrical switches, sensors, relays, bulbs, analog devices, audio systems, NECA symbols and more!
  • Automatic Formatting
    SmartDraw helps you align and arrange everything perfectly. And SmartDraw's "intelligent" connecting lines stay attached to your components even when you move them around.
  • Free Support
    Got a question? Call or email us. SmartDraw experts are standing by ready to help, for free!
Discover why SmartDraw is the ideal block diagram software. Try SmartDraw FREE.