Master Digital Logic with The Ultimate Circuit Simulator
Visualize Boolean algebra and build complex circuits in seconds. From simple logic gates to full CPU cores, DigiSim is the pro-grade sandbox for students and engineers.
Visualize Your Ideas in Seconds
Meet our powerful simulator. It's designed to be as intuitive as a whiteboard.
From Logic Gates to CPU Cores
Explore our curated template circuits that guide you through the fundamentals of digital electronics, culminating in the core components of a modern computer processor.
Template: 4-Bit Binary Counter
Template: Template: 4-Bit Binary Counter - Interactive 4-bit binary counter with visual output lights. Learn binary counting sequences and clock-driven operation. Count from 0 to 15 in binary.
AND Gate Security System
Learn AND gate logic with a two-key security system. Both keys must be pressed to unlock the door. Perfect introduction to digital logic gates.
3-Bit Binary Adder
Complex 3-bit adder with full carry propagation. Advanced arithmetic circuit demonstrating cascaded carry logic.
8-Bit ALU System
Professional 8-bit ALU with multiple operation modes. Complex arithmetic and logic unit for advanced processor design.
Register Data Transfer System
Complex register-to-register data transfer with multiplexers. Learn data bus operations and register file management.
Sequential Instruction Executor
Basic CPU with program counter, ROM, and instruction register. Learn instruction fetch and execution cycles in processor design.
Everything You Need to Master Digital Logic
Our feature-rich environment provides all the tools for seamless circuit design and analysis.
Intuitive Drag & Drop Editor
Build complex circuits effortlessly with our visual workspace. Drag components from the palette, connect them with wires, and watch your designs come alive with zero coding required.
Real-time Simulation Engine
Experience instant feedback with our event-driven simulation engine. Toggle switches, pulse clocks, and see signal propagation in real-time across your entire circuit.
50+ Digital Components
From basic logic gates (AND, OR, NOT) to advanced CPU components (ALU, RAM, ROM). Build everything from simple circuits to complete 8-bit computer systems.
Signal Waveform Visualization
Debug circuits with professional 8-channel oscilloscopes. Visualize signal timing, detect race conditions, and analyze digital waveforms with configurable sampling rates.
Educational Circuit Templates
Learn from 70+ pre-built circuit templates spanning 7 categories. Interactive animated tutorials guide you from basic gates to CPU architecture step-by-step.
Cloud Save & Share
Save your circuits to the cloud with automatic synchronization. Generous storage for all your academic and professional projects. Share designs with public links.
Simple Pricing for Students & Professionals
Choose the plan that fits your learning journey. Cancel anytime.
DigiSim Free Tier
Get started with DigiSim for free. Access essential logic gates and components, save your circuits, and explore the fundamentals of digital logic design.
- 16 Basic Logic Components
- Full Simulator Access
- 32 Circuit Storage Slots
- 6 SimCast Interactive Lessons
- Advanced Components
- Unlimited Cloud Circuit Storage
DigiSim Pro 
Unlock all DigiSim Pro features with a subscription. Access the full component library, unlimited circuits, and premium content.
- 72+ Interactive Lessons
- 60 Circuit Components
- Full Simulator Access
- Unlimited Cloud Circuit Storage
Trusted by students and alumni from 100+ top universities
Loved by Students and Professionals
Don't just take our word for it. Here's what our users have to say.
Finally, a digital logic simulator that my students actually understand! The intuitive interface and visual feedback make complex concepts click instantly. My class engagement has never been higher.
I went from struggling with Boolean algebra to designing complex sequential circuits in just weeks. DigiSim makes everything so clear and easy to follow. Best learning tool I've ever used!
As a professional circuit designer, I'm impressed by how DigiSim simplifies complex concepts without dumbing them down. It's become my go-to tool for rapid prototyping and client demonstrations.
Ready to Build the Future?
Unleash your creativity and start building amazing digital circuits today. No credit card required to get started.
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