How to convert png to tiff? [duplicate]
Install imagemagick:
sudo apt-get install imagemagick
An a simple command:
convert <your_png> out.tiff
Or for all files in your folder:
for f in *.png; do convert "$f" "${f%%.*}.tiff"; done
Try convert:
convert blah.png blah.tiff
If you don't have it, try:
sudo apt-get install graphicsmagick-imagemagick-compat