Build and Simulate Digital Circuits. Instantly.
An intuitive, web-based simulator for students, hobbyists, and engineers. Go from idea to a working logic circuit in minutes, not hours.
What if you could build a circuit right here?
DigiSim is more than a tool; it's a visual playground. Drag components, connect wires, and watch your logic come to life instantly. No setup required.
Try it yourself:
Click the input switches to see the logic in action!
Powerful Features for Every User
Everything you need to design, simulate, and understand digital circuits
Design at the Speed of Thought
Intuitive Playground
A seamless drag-and-drop canvas makes circuit design feel like sketching. Effortlessly arrange, connect, and modify components with instant visual feedback.
From Gates to Processors
Rich Component Library
Start with fundamental logic gates or explore complex, pre-built components. Save your own creations to build a reusable library of custom circuits.
Instantaneous Feedback
Real-Time Simulation
Our powerful simulation engine, built on an efficient Protobuf-based architecture, evaluates your circuits in real-time. See state changes, debug logic, and understand cause-and-effect instantly.
Built for Every Learning Journey
Whether you're a student, hobbyist, or educator, DigiSim adapts to your needs
Ace your computer architecture class
Visualize complex topics like flip-flops, adders, and memory to build a deeper, more intuitive understanding. Transform abstract concepts into interactive experiences.
- Complete assignments with confidence
- Understand concepts intuitively
- Improve your grades significantly
- Learn at your own pace
Bring your project ideas to life
Prototype your next great hardware project, from simple logic puzzles to the control unit for an 8-bit computer. Test and refine before you build.
- Prototype ideas quickly
- Experiment without hardware costs
- Share designs with community
- Save and iterate on designs
Create engaging learning experiences
Use DigiSim to build interactive lessons and demonstrations that make abstract concepts clear and exciting for your students. Transform your classroom.
- Interactive demonstrations
- Create engaging assignments
- Track student progress
- Collaborative learning tools
Trusted by Thousands
See what educators, students, and professionals are saying about DigiSim
"DigiSim was a game-changer for my digital electronics course. Being able to see the logic work in real-time made everything click."
"My students are more engaged than ever. DigiSim helps them visualize concepts that textbooks can't convey effectively."
"I can prototype my hardware ideas in minutes instead of days. DigiSim has become an essential part of my development workflow."
Ready to Start Building?
Join thousands of students, educators, and professionals who are using DigiSim to design and simulate digital logic circuits.
Master digital logic concepts with hands-on practice and interactive simulations.
- Visual learning
- Practice exercises
- Instant feedback
Design, test, and prototype digital circuits with industry-grade tools.
- Advanced components
- Export capabilities
- Team collaboration
Create engaging learning materials and interactive assignments for your students.
- Classroom tools
- Assignment creation
- Student progress tracking