Tools starting with V

Work out variance, standard deviation, quartiles and outliers from a list of numbers.

Capture stills from a video as JPG, PNG or WebP, evenly spaced or as a single thumbnail.

Check a video's duration, resolution, aspect ratio and average bitrate.

Turn a few seconds of video into an animated GIF, with control over speed and size.

Darken the edges of an image to draw the eye towards the centre.

Calculate the output voltage of a two-resistor divider, with current draw and loading advice.

Convert between litres, millilitres, cubic metres, US and imperial pints, quarts and gallons.