Convert dng to flif Online: dng2flif

You can use Tom's Editor to easily convert images from
Digital Negative .DNG to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

DNG

Digital Negative is an image format with extension DNG.

FLIF

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