14
votes
9answers
63k views

Facebook: Ways to preserve image quality of uploaded images?

After uploading an image, Facebook converts it to a new image. Their conversion process introduces artifacts and mottling to the magenta-ish parts of the image. Original image: Facebook's ...
4
votes
4answers
995 views

PNG vs GIF for 1 bit transparency

Is there any reason for using GIF instead of PNG when the image requires only 1 bit transparency (either on or off) and of course no animation is required? thanks