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A visual audio equalizer you can adjust in real time. Drag frequency bands to shape the sound, just like a hardware EQ.

by carlosrafaelgn

A real-time audio spectrogram visualizer powered by WebGL. Use your microphone or upload a file and watch frequencies paint across the screen in vivid color.

by calebj0seph

A colorful audio spectrum visualizer built with the HTML5 Audio API. Play music and watch frequencies dance across the screen in real time.

by wayou

Real-time audio spectrum analyzer and oscilloscope using your microphone.

by Launch Arcade

Memorize a Lissajous figure — a parametric curve formed by two sine waves — then tune it back after it is scrambled. Drag horizontally to adjust the frequency ratio, drag vertically to adjust the phase. How precisely can you restore the original pattern?

by Mercutio

Tune any instrument with this precise chromatic tuner. Uses your microphone to detect pitch in real time.

by qiuxiang

Simulate a drawing machine that creates intricate patterns from overlapping pendulum motions. Export as PNG or SVG.

by ttencate

Generate customizable hexagonal terrain maps with biomes, elevation, and moisture using procedural algorithms. Export your created worlds as PNG images.

by HextoryWorld

Play an electric piano in your browser with sustain, vibrato, and tremolo effects powered by the Web Audio API.

by raohmaru

Procedural 3D terrain generation with Perlin noise, Diamond-Square, and other algorithms.

by IceCreamYou

Draw custom waveforms and see them decomposed into Fourier series in real time. Visualize how frequencies combine.

by inverter3p

Beautiful interactive visual introduction to Fourier transforms with epicycle animations.

by Jezzamonn

Create and manipulate synthetic sounds using an interactive piano, ADSR envelopes, equalizers, and real-time waveform visualization. A complete web-based audio synthesis studio.

by mdgspace

Virtual analog synthesizer with oscillators, filters, envelopes, and effects. Built with the Web Audio API.

by aike

A real-time browser guitar tuner using your microphone. Detects pitch and shows whether each string is in tune.

by jbergknoff