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.

Filter by
Sorted by
Tagged with
1
vote
1answer
737 views

How to Batch Export All Directory Contents to PNG-8, Overwriting Existing Files?

Based on some preliminary manual testing, I've found that exporting as png-8 as one might expect provides significant file size reduction. One of my test images went from 58.8 kb to 10.7 kb. With a ...
1
vote
1answer
806 views

How I can prevent Photoshop from adding metadata to a PNG file?

When I use "Save for Web" in Photoshop it adds a bunch of metadata. For example I saved a 4x4 pixel file as PNG. It should have been around 136 bytes put photoshop added 814 extra bytes, all metadata ...
0
votes
2answers
30k 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 ...
0
votes
6answers
592 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 ...
0
votes
2answers
5k 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 ...
0
votes
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 ...
0
votes
1answer
504 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 ...
0
votes
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 ...
0
votes
2answers
629 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 ...

1 2