GIF is a growing force on the web now. This format is an excellent choice for limited color images that need to be small in size. Photos and full color images saved in a GIF format will yield high levels of compression with noticeable loss in quality.
https://www.fatrabbitcreative.com/blog/what-image-format-should-i-use-on-my-website
These and many other file types are used to encode digital images. The choices are simpler than you might think. Part of the reason for the plethora of file types is the need for compression. Image files can be quite large, and larger file types mean more disk usage and slower downloads. Compression is a term used to describe ways of cutting the size of the file. Compression schemes can by lossy or lossless.
http://users.wfu.edu/matthews/misc/graphics/formats/formats.html
4.The IMG file format, also known as GEM IMG, is an image file format used to store bitmap digital images on Graphical Environment Manager. 5.A graphics image format used in various ways by many different graphics software packages. IMG files are used for:
http://www.winiso.com/support/knowledge-base/what-is-img-format.html
Paste the photo into Powerpoint then save as a movie. So far as I know a .IMG is a format that emulates a disk. I'm assuming, then, that it's emulating a DVD in this case. If that's the case quick edits might be hard, but you should find some MPEG videos on the disk, Import those into iMovie and make your edits.
http://www.makeuseof.com/answers/how-can-i-convert-an-img-file-to-an-editable-movie-format-for-my-macbookpro/
NOTE: IMG files created by CloneCD should be saved in the same directory as the .CCD and .SUB files, which are referenced when burning new CDs. An IMG file is also a Macintosh disk image file, which is a mirror copy of the Mac file system and can be mounted on a computer as a virtual hard disk drive. A Macintosh disk image file can also be used as virtual optical drives like DVD and CD drives.
http://www.openthefile.net/extension/img
What is IMG file format? The IMG file format is one of the following files: 1.A CD or DVD image file, essentially equivalent to an ISO file. On such a file, simply changing the extension from IMG to ISO can make it usable as the latter by most programs. 2.An archive format used for creating a disk image of floppy disks and HDDs.
http://www.winiso.com/support/knowledge-base/what-is-img-format.html
Ads by Google. I received an .img video for a family member’s funeral from my sister who is in Turkey. She sent it via YouSendIt and I was able to make a DVD with Desk Utility. BUT I need to make a couple of edits, and logistically it’s not possible for her to do it in time for the service. I have a MacBookPro OS 10.7.5.
http://www.makeuseof.com/answers/how-can-i-convert-an-img-file-to-an-editable-movie-format-for-my-macbookpro/
What is an img file and how do I open an img file? IMG is the extension used for Mac disk image files. An IMG contains an exact copy of every bit of data from a floppy disk, CD or DVD. IMG files can be mounted and treated exactly like an inserted disk as a virtual hard disk drive.
http://www.openthefile.net/extension/img
Disc image file created by various disc imaging applications, such as SlySoft's CloneCD; stores an exact copy of the data on a CD or DVD and is used for backups and burning new discs. IMG files created by different disc imaging programs may use different formats.
http://www.openthefile.net/extension/img
JPG is perhaps the most common image format used on the web. It’s highly compatible and boasts a small file size with very little noticeable quality loss. JPG’s are compressed using what is called “lossy” compression, which means there is always a loss of quality as you save.
https://www.fatrabbitcreative.com/blog/what-image-format-should-i-use-on-my-website
what is .img format
.img format is an image file format used to store bitmap digital images on Graphical Environment Manager.