Convert gif to hlf Online: gif2hlf
You can use Tom's Editor to easily convert images from
CompuServe Graphics Interchange Format .GIF to Hires Interlace by Feniks .HLF.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
GIF images were created by Compuserve. They can used no more than 256 colors and a single color transparenty (no Alpha channel). Today are rare since they offer low quality and huge filesizes. GIF animations are still in use.
Hires Interlace by Feniks is an image format with extension HLF.