Few weeks ago Thibault Imbert published an optimized version of Adobes JPGEncoder. And it rocks! However, if you may have very big-size bitmaps it takes too much time to encode images. For example: A bitmap with a size of 2000px x 1500px takes 22 sec. (BTW: Adobes version 30 sec.!!)

Today I came across to a post by Manfred Weber, which points to a discussion at Adobes Alchemy forum. There you will find a great solution published by metalbot for encoding JPEGs using Alchemy. It’s based on a C library for JPEG image compression by IJG and it’s pretty fast (2,7 sec. for 2000 px x 1500px ) !!! Check out the example:

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