Circuit Builder

Drag onto a wire, or tap a gate then tap a slot

Empty circuit. Drag a gate from the palette onto a wire to start.

Shortcuts: H X Y Z S T C arm a gate · Del delete · Ctrl Z undo · Ctrl ⇧ Z redo · Esc cancel

Import accepts QBIT JSON or the OpenQASM 2 subset this editor exports.

No saved circuits yet.

|000⟩

100.0%

|001⟩

0.0%

|010⟩

0.0%

|011⟩

0.0%

|100⟩

0.0%

|101⟩

0.0%

|110⟩

0.0%

|111⟩

0.0%

Exact (theory)

q0 · |r|=1.00

q1 · |r|=1.00

q2 · |r|=1.00

Each sphere shows a qubit's reduced state. Shorter vectors indicate entanglement.

Basis	Amplitude	Phase
\|000⟩	1.000	0°

Basis order q2…q0. Zero amplitudes hidden.