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March 13, 2009
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Which Image Format Works For Me? Part 1
PNG, GIF, JPEG
Choosing the right image format can be tricky, especially whenyou need to consider file size and quality. Not to mention issueslike browser compatability and operating system gamma correction.We won't get into that this time around...
First we will begin with something simple. Improving ourvocabulary and a quick reference guide to compare file size andquality based on format.
Pronunciation
GIF - Graphics Interchange Format
The author of the file format GIF pronounces the acronym with asoft G like giraffe, not with a hard G like gift
PNG - Portable Network Graphics
The PNG specification (or the Scope section of the newerISO/IEC/W3C version) states that PNG is pronounced in English as "ping" not "pinj" or "pee en gee". However, for non-Englishspeakers, the three-letter pronunciation is accepted.
gif 256 colours: 18 KB | gif 128 colours: 15 KB |
png 8 - 256 colours: 14 KB | png 8 - 128 colours: 12 KB |
png 24: 42 KB | png 24 - *Compressed: 39 KB |
png 24 - Interlaced: 57 KB | png 24 - *Interlaced Compressed: 39 KB |
jpg 100%: 46 KB | jpg 50%: 12 KB |
Note: Images created with Photoshop CS4;*PNG files compressed with PNGOptimizer
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2 Comments
Nice article. I was struggling with graphic issues for a while.
Awesome, and very informative article! I just started reading something about .png file format here: http://www.paintshoppro.com/en/pages/png-file/ and than I was a bit confused about the difference between some of the formats, and the usage. But you managed to explain it very nicely, so thank you very much for clearing it up.