Free computer Tips
Sometimes it can get confusing when dealing image file formats. Which file format to use for what picture or graphic? Its all too technical for me so I have tried to explain the difference between them all in my own easy way. Each image file format has its own unique features.
BMP – Bitmap. This was probably the first type of digital image format that I can remember. Every picture on a computer seemed to be a BMP. In Windows XP the Paint program saves its images automatically in BMP, however now in Windows Vista images are saved to JPEG. BMP is the basis platform for many other file types.
JPG, JPEG - (Joint Photographic Experts Group) Jpeg format is used for colour photographs, or any pictures with many blends or gradients. It is not good with sharp edges and tends to blur them a bit. This format became popular with the invention of the digital camera. Most, if not all, digital cameras download photos to your computer as a Jpeg file. Obviously the digital camera manufacturers see the value in high quality images that ultimately take up less space.
GIF- (Graphics Interchange Format) Gif format is best used for text, line drawings, screenshots, cartoons, and animations. Gif is limited to a total number of 256 colours or less. It is commonly used for fast loading web pages. It also makes a great banner or logo for your webpage. Animated pictures are also saved in GIF format. For example, a flashing banner would be saved as a Gif file.
PNG - (Portable Networks Graphic) Apparently this is one of the best image formats, however it was not always compatible with all web browsers or image software. Now days it is the best image format to use for website. I use .png for logo’s and screenshots.
TIFF- ( Tagged Image File Format) This file format has not been updated since 1992 and is now owned by Adobe. It can store an image and data (tag) in the one file. TIFF also stores files with virtually no compression and therefore is good for storing images that need to be edited and resaved without suffering a compression loss. This file is commonly used for scanning, faxing, word processing, and so on. It is no longer a common file format to use with your digital photos as a jpeg is great quality and takes up less space.
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After a frustrating and fruitless search through Microsoft’s “Help and Support Center” for this information, I gave up on them and thankfully found this page on your website. It was exactly what I was looking for – the right amount of information (not too little, not too much) and was easy to understand. From now on I’ll come to your website instead of wasting my time combing through Microsoft’s “Help” information trying to find what I need. Very often I end up really aggravated with Microsoft’s “Help” because either I can’t find anything addressing my question, or I find a little bit of information, but it’s not thorough enough to answer my question. THANK YOU!