November 1, 2003

Problem JPEG

Ran into an interesting problem last week. Turns out that CMYK mode jpg files will render in Safari, but not in IE or Mozilla-based browsers. Solution, of course, is to always save your web-targeted jpg as RGB mode. I'd have thought this would have come up before...

...of course, this type of thing is often uncovered by admin tools designed to allow the non-technical to upload images. Someone unfamilar with web design might not think twice about providing a file that would have been fine for prepress. A jpeg is a jpeg, right? Wrong.

I once diagnosed a similar problem only to find that a client had unknowingly uploaded a .bmp file. In this case, the problem wasn't immediately noticed because it loaded fine in PC Internet Explorer. I'm still not sure that the client noticed that it was broken elsewhere, they were complaining about the amount of time the uncompressed bitmap file was taking to download. ;)

Posted by Lewis Francis at November 1, 2003 11:07 PM

Firefox 3 now supports CMYK jpegs.

Posted by: Lewis Francis at December 29, 2008 6:47 PM
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