Interactive
Quantum playground
Build two-qubit circuits with gates and oracles. Gates start on q0 — drag them between wires or reorder left to right.
Initial state
Circuit
Reorder left/right · drag gates up/down to switch q0 ↔ q1
q0
|0⟩
q1
|0⟩
MM
Drag gates from the catalogue — drop on q0 or q1 to pick the wire
Gate catalogue
New gates start on q0 — drag onto q1 to switch wires
Single-qubit
Two-qubit
Oracles
Deutsch–Jozsa
Grover mark
Presets
Output state
|00⟩
|00⟩100%
|01⟩0%
|10⟩0%
|11⟩0%
Tip
Measure runs a simulated shot without clearing your circuit — run it many times to explore outcome statistics.