Digital Logic · Browser-based · Free

Digital Logic Simulator

Design, simulate, and export digital circuits — right in your browser.

A1B0XORAND&SUM1CARRY0Half Adder — live demo

Everything you need to explore digital logic

50+ Gates & Elements

AND, OR, XOR, flip-flops, counters, adders, PLM blocks — all ready to place.

Real-time Simulation

Click any INPUT to toggle it. Signals propagate instantly through the full circuit.

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Verilog / VHDL / C++

Export synthesizable HDL or C++ code with one click, with optional testbenches.

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Truth Table

Auto-generate the complete truth table for any combinational circuit.

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Multi-layer Design

Organize complex schematics across up to 4 independent layers, linked via VIA nodes.

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No Install Required

Runs entirely in the browser. Save and load schemes as JSON files — no account needed.

Ready to start designing?

No install. No account. Just open the editor and start placing gates.