Utility

Windows Image Resizer Now Power Toys

Here is a code to convert 1 bmp image to jpg:

convert image.bmp image.jpg

You can convert multiple files using the following simple command but only if you do not care about the filenames as they will be made random:

convert *.bmp *.jpg

If you are will to replace the files, you can use mogrify command or you can just copy the images to a new folder and mogrify them.

mogrify -format jpg *.bmp

The conventional way to convert multiple files at once is first create an empty file and insert the following code:

for PHOTO in *.[format]
   do
       BASE=`basename $PHOTO`
	convert "$PHOTO" "[folder]/$BASE.[desired format]"
   done

In my case I made a filename my-convert in the same directory as the images:

for PHOTO in *.bmp
   do
       BASE=`basename $PHOTO`
	convert "$PHOTO" "Linux/$BASE.jpg"
   done

Proceed in executing the file and if it does not work, use administrator access or root or sudo:

chmod +x my-convert
./my-convert

If you want to do more advance modification, you can check the documenation:

convert --help
man convert

If the above commands does not work then search their website.