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Old 04-30-2013, 02:00 PM   #20
AlPe
Digital Amanuensis
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Posts: 727
Karma: 1446357
Join Date: Dec 2011
Location: Turin, Italy
Device: Several eReaders and tablets
Quote:
Originally Posted by Turtle91 View Post
"Convert" the image to what? If it's already a .jpg what would you convert it to?
"Convert" to JPEG nonetheless (adjusting compression, if desired). Doing so, all the info added (e.g., by Photoshop) will be removed. In particular, in the past I saw that (eink) devices might run into troubles with JPEGs containing color space profiles.

Example:
Code:
$ identify original.jpg 
original.jpg JPEG 900x1200 900x1200+0+0 8-bit DirectClass 439KB 0.010u 0:00.019

$ convert original.jpg clean.jpg

$ identify clean.jpg 
clean.jpg JPEG 900x1200 900x1200+0+0 8-bit DirectClass 411KB 0.010u 0:00.000
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