4 Different Types of Bitmap formats What it is, what it does JPG/JPEG - This image format is good for any images that have 256 bit colours or bigger which is ideal for average photographers. You have basic control of changing the compression percentage to reduce the size of the file however you feel is acceptable. JPEG is well known on the web for its good, efficient compression algorithm. Even though there is a reduction in quality due to its compression method, you can alter the level of intensity. Most wizards offer the options "mode" or "quality". The disadvantage of this compression is that it doesn't please real photography enthusiasts because you don't capture the raw data collected. There is a "RAW" format you can use instead which doesn’t reduce any data collected. GIF – The respected audience that would use GIF’s is forum sites like Reddit where things are discussed or laughed at. GIF can animate, display slideshow of images