Convert sif to flif Online: sif2flif

You can use Tom's Editor to easily convert images from
Super-IRG Font .SIF to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

SIF

Super-IRG Font is an image format with extension SIF.

FLIF

Free Lossless Image Format is an image format with extension FLIF.