Build linear and radial gradients, copy the CSS.
Layer shadows visually and copy the CSS.
Pull a palette out of any image you drop in.
Resize an image to every favicon size and zip it.
Radix-2 FFT of any audio file with band energies, spectral centroid and a peak-hold readout.
Encode and decode Bitcoin's Base58 alphabet, with direct Base58 to hex and Base64 conversion.
Shift subtitle timings by any amount, enforce reading speed and renumber cues without overlap.
Compare two JSON documents key by key and see exactly what was added, removed or changed.
