Verilog Sandbox — Write, Synthesise and Simulate Verilog Online

A free browser Verilog sandbox: write a design and a testbench, synthesise them with real Yosys, and watch the waveform. Seven worked examples — counter, ALU, FSM, shift register, seven-segment decoder, PWM, priority encoder. No installs, no account. This app needs JavaScript enabled. Explore:

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