Test any number for primality with Miller-Rabin, then get its prime factorisation and every divisor.
Mean, median, mode, quartiles, range and standard deviation for any list of numbers.
Add tax to a net amount or strip it back out of a gross amount, with common rates one click away.
Monthly payment, total interest and full amortisation for any loan term and rate.
Flip horizontal or vertical, or tile the image into a repeating kaleidoscope pattern.
Compose many images into one grid sheet with labels, a configurable gutter and PNG export.
Resize or convert a whole folder of images at once and get one ZIP back.
Seek to any timestamp in a video, grab the real decoded frame, or export a six-frame strip.
