Convert otb to flif Online: otb2flif

You can use Tom's Editor to easily convert images from
On-the-air Bitmap .OTB to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

OTB

On-the-air Bitmap is an image format with extension OTB.

FLIF

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