Questions about reducing a file's size by automated pattern recognition, and the resulting changes in image quality.

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17
votes
9answers
95k views

Facebook: Ways to preserve image quality of uploaded images?

After uploading an image, Facebook converts it to a new image. Their conversion process introduces artifacts and mottling to the magenta-ish parts of the image. Original image: Facebook's ...
1
vote
4answers
992 views

Changing File Sizes in a PDF

Is there a way when exporting a .psd as a .pdf to make the file smaller? My client always has me work in Photoshop and send them finished work as .pdf's, but they say the files are too big. These ...
7
votes
5answers
9k views

The most advanced JPEG image compression on mac?

Sometimes i work with JPEG files for my web designs. There are occasions where the PNG format is not suitable.. There are several optimization techniques for the PNG format, but I noticed that for ...
6
votes
9answers
3k views

Tools for *lossy* PNG compression?

I'm trying more and more to get by sans PhotoShop for my personal/freelance work. I do primarily web work these days and don't do enough side gigs to justify keeping up with the Creative Suite beast. ...
3
votes
2answers
249 views

Compress large PDF files in Illustrator

I am an unexperienced Illustrator user, so please bear with me if my question is very stupid: I have a large PDF file (5 MB+) [1] which is generated from a large dataset. The amount of details in the ...
1
vote
1answer
12k views

Why is my PDF size from my InDesign Export still large?

I'm doing class project that is a four-page, seven-image document with very little text. The project must be submitted as a PDF under 300 KB. However, when I export the document under the smallest ...