Questions tagged [png]

Questions about the lossless raster graphics format PNG, primarily designed to succeed the `GIF` format for displaying images on the internet or via digital delivery. This format supports transparency.

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Blurry distortion after uploading images to Facebook

Can anyone tell me what is causing the discoloration around the black areas in the red field in this image and how to correct it? It's not showing up in the source file JPG or PNG in the program but ...
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6answers
588 views

Need png optimisation/compression advice

I have a large set of png images I am trying to compress and I would like some advice from all of the graphics experts out there :) on the best method to do this. I have access to both a Mac and ...
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1answer
7k views

What does 8 bit alpha (PNG) mean?

I am trying to follow specs for iTunes app graphic. The requirements state: 72ppi, rgb,flattended, NO transparency High qualtiy PNG plus 8-bit alpha. Everything I read about alpha is WITH ...
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2answers
523 views

Rotating a layer around centre and save file (72 times)

I need to rotate a graphic I have made in Adobe Illustrator. The complication is that only the arrow layer needs to be rotated (around the centre of the image). That rules out simply throwing the ...
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2answers
2k views

Method to Export PNG-8 w/ Partial Transparency in Adobe PS CC Other Than “Quick Export” / “Export As”?

I previously asked "How to Batch Export All Directory Contents to PNG-8, Overwriting Existing Files?". The answer I received appears to be technically correct. But I forgot to mention one serious ...
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2answers
29k views

How does size work with PNG-8 and PNG-24 images?

I am desperately trying to save a psd file as a high res png. I found some relevant setting when I click Save for Web in photoshop but then I got confused about size vs resolution. I found this ...
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1answer
457 views

File size increases with resolution when exporting to PNG

Whenever I am trying to increase the resolution of the logo I am exporting from Illustrator the file size gets increased automatically, I would like to know if I could increase the resolution while ...
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2answers
4k views

Illustrator: fuzzy looking icons when exporting to PNG

I have a vector file which contains many objects. One of them is attached below. The top is original, crystal clear/pixel perfect. But I want lower size (dimensions not by filesize). Original images ...