tinyfft · live demos

Tiny no_std FFT compiled to WebAssembly · 1D + 2D · ~11 KB wasm · npm · github

Spectrum viewer

Drop a WAV file, see its STFT spectrogram. Linear or log frequency, magma colormap.

1D · STFT

Image high-pass filter

Drop an image, see a 2D-FFT high-pass filter. Gaussian or ideal cutoff, live slider.

2D · high-pass

FFT equalizer player

Drop an audio file, play it through a 10-band overlap-add EQ. ISO octave bands, ±12 dB.

1D · OLA · audio