Free & Open Source

Dive into the world of Logic Circuits

From simple gates to complete CPUs: design circuits, plot timing diagrams, generate them from truth tables or Verilog, and share a whole project as a single link. Everything runs in your browser, with no account and nothing uploaded

Digital circuit diagram illustration featuring logic gates and connections
Powerful Features

Everything you need to design circuits

Design circuits quickly and easily with a modern and intuitive user interface with drag-and-drop, copy/paste, zoom, and more

Export HD
Export High-Resolution Images

Export high-resolution images in multiple formats including SVG

Combinational Analysis
Combinational Analysis

Automatically generate circuits from truth tables

Testbench Timing Diagram
Testbench & Timing Diagram

Test your circuit using a testbench and validate its behavior with a timing diagram

Share with a Link

Pack a whole project into a URL, with a QR code and an embed snippet. Nothing is uploaded, and the link keeps working forever

Start from an Example

Open one of 19 ready-made circuits, from a single gate to a working CPU, and take it apart

Embed
Embed in Blogs

Easily embed your circuits into blogs and websites using HTML5 iFrames, ensuring seamless sharing and integration

Sub Circuit
Use Sub circuits

Create subcircuits once and use them repeatedly. For easier and more structured design

Multi Bit Bus
Multi Bit Buses and components

LogicPlot supports multi bit-wires, this means circuit design is easier, faster, and uncluttered