Convert hlf to dds Online: hlf2dds

You can use Tom's Editor to easily convert images from
Hires Interlace by Feniks .HLF to Direct Show Surface .DDS.
Tom's Editor is a free, online image manipulation and converter program.

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HLF

Hires Interlace by Feniks is an image format with extension HLF.

DDS

DDS are files invented by Microsoft to be used in games, mostly as textures. Images can be compressed to save space but the compression methods defined by DDS are all very fast in terms of coding and decoding.