GIF:Graphics Interface Format is the original format with transparency support for the web.

Another downside to GIF is that it only supports 1-bit transparency.

What this means is each pixel in your image is either completely transparent or not transparent.

InDesign Work area

The file format supports high color and partial transparency using alpha channels.

PNG images are also commonly seen on mobile devices.

Embedded Paths (EPS): EPS images support the use ofembedded clipping pathsand mostdesktop publishing applicationsaccept theEPS format.

When embedded paths are used for transparency, the isolated object can only have hard edges.

There is no partial transparency.

Alpha Channels (TIFF): Alpha channels are bitmap masks that define transparency in shades of gray.

When used in page layout applications, theTIFF formatis preferred for images with alpha channel transparency.