Quantum Playground

Statevector simulator. Limit: 12 qubits in this UI. Measurement sampling is drawn from the final distribution.

Editor

Select a tool, then click cells. For two-qubit tools, click control then target (same column).

Gate palette

Single-qubit

Two-qubit

Operator

Selected: H

Click a cell to toggle the selected single-qubit gate.

Hadamard (H)

H =
[ 1/√2   1/√2 ]
[ 1/√2  -1/√2 ]
qubit
1
2
3
4
q0
q1

Results

Final state distribution + seeded measurement histogram.

2 qubits4 steps1024 shots

Bloch sphere (3D)

Drag to rotate. x=0.000 y=0.000 z=0.000

Top amplitudes

Basis states are shown as bitstrings with q0 on the left.

|state⟩amplitudeprob
000.7071 + 0.0000i0.500000
110.7071 + 0.0000i0.500000

Measurement histogram (seeded)

1024 shots using seed 1337.

00
543
11
481