3
votes
2answers
152 views

Which file format starts with 0xAD 0xE1?

A friend of mine has a collection of .jpg that cannot be opened because they start with 0xAD 0xE1 (so says GIMP). Any idea which file format these may be?
13
votes
3answers
756 views

Is there still any reason to prefer GIF over PNG when creating images for web pages? [closed]

Long ago, I used to avoid the PNG image format when building web pages because browser support was lacking. I remember having a PNG on a page could cause the QuickTime plugin to be loaded - yuck. ...
26
votes
8answers
24k views

JPEG vs PNG vs BMP vs GIF

I would like to know which one of these formats requires less memory for the same quality of the picture, and what the main differences between the formats are.