Re: [Gimp-user] How to reduce image file size while retaining width/height of image?

[Ofnuts <ofnuts gmx com>]

On 11/07/15 00:17, Steve Kinney wrote:
> Depending on the image content, GIF files may be noticeably larger
> or smaller than equivalent JPG files.  PNG files will usually be
> substantially larger than either.

For screenshots(*) and lost CGI, PNG is usually significantly smaller 
than either GIF or JPEG. And you cannot reduce the quality too much on 
JPEGs for images with hard edges such as screenshots.

(*) unless of course the screenshot contains a photo...