Interactive demos we built to make quantum intuitive, plus a curated catalog of the best visualization tools across the web.
Apply H, X, Y, Z, S, T gates and watch the state vector rotate in 3D
Amplitude bars and phase wheels for up to 4 qubits
Qiskit-style Q-sphere with amplitude-sized dots on a Hamming-distance sphere
Create Bell states with H+CNOT and see measurement correlations build up
Constructive and destructive interference of quantum amplitudes
Repeated measurement of superposition states, histogram builds shot by shot
Step through the full protocol: entanglement, Bell measurement, correction
Watch the marked state amplitude grow with each oracle + diffusion iteration
Tune drive frequency and amplitude, see resonance and decoherence
Explore H2 Pauli decomposition, coefficients, and bond-distance dependence
Adjust variational parameters and see how the ansatz covers Hilbert space
Guided tour of a 9-qubit chip with sound and visuals
Publication-quality Bloch sphere with time evolution, gate sequences, and exportable plots.
Visit →Interactive Bloch sphere for classroom teaching. Simple gate application with visual feedback.
Visit →Programmatic Bloch sphere — generates animated GIFs and SVGs of gate sequences. 113 stars.
Visit →The gold standard. Drag-and-drop gates, real-time probability/amplitude/Bloch displays inline. Up to 16 qubits. URL-shareable.
Visit →Extended Quirk with step-by-step inspector. Imports/exports OpenQASM, Qiskit, Cirq, Q#. PNG/SVG/PDF circuit export.
Visit →Lightweight circuit diagram renderer. CDN-loadable, simple API. Designed for embedding.
Visit →Four visualization modes: state bar plot, Q-sphere, state cube (4D), hybrid state cube with phase disks. Oklab color space. Animated transitions.
Visit →Reusable Vue components for quantum state (ket-viewer) and matrix (matrix-viewer) visualization. Backed by Unitary Fund.
Visit →Smooth animated amplitude bar visualizations. Powers a Grover's algorithm step-through demo.
Visit →Optical table simulation with drag-and-drop beam splitters, polarizers, detectors. Real-time entanglement. Published at CHI 2022.
Visit →Novel geometric representation using semicircles. Addresses Bloch sphere's inability to show entanglement. 2D encoding of amplitude + phase.
Visit →QFT through geometric intuition — interactive linkage applet shows how Fourier transform relates to high-dimensional Hilbert spaces.
Visit →Comprehensive Shor's algorithm visualization integrating Bloch sphere, circuit diagram, and probability distribution in one view.
Visit →350+ interactive activities, 3D Bloch spheres, wave simulations. University-adopted. The gold standard for educational quantum UX.
Visit →GPU-accelerated via WebGL textures. Up to 22 qubits in browser. Own scripting language, built-in Grover's and Shor's, 3D amplitude/phase viz.
Visit →Drag-and-drop circuits with phase disks, inspect mode. Connects to real IBM quantum processors. Export to SVG/PNG.
Visit →The publication standard: Q-sphere, city plot, Hinton diagram, Paulivec, histograms, Bloch multivector. Used in most quantum papers.
Visit →Wigner functions, Husimi Q-functions, density matrices, process tomography. The standard for open quantum systems research.
Visit →Interactive web explanation of surface codes (toric, planar, rotated) with clickable visual elements. Excellent for QEC education.
Visit →TensorFlow Playground-style interface for quantum ML. Visualizes data re-uploading classifiers and parameter optimization.
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