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Hello, i just made a header design for a twitter account, the size is 1500x500px and set with a transparent background, but for whatever reason when i try to export the file into a png 24, it only give me the option of png, and png 8 dithered. this causes my artwork to look extreamly blurry and low res. when i post it online. please help me with this issue.

This post relates to this discussion in regards to anti-aliasing: Here is why the "workaround" for anti-aliasing removal in exports as shown here does not work for me (or at least I do not know how to make it work...). I use AD for designing t-shirts which I upload in a PNG24 format to several websites. Most print on demand providers don't want any transparency in the uploaded files. Although the workaround via the "Coverage Map" in the "Blend Options" works on simple shapes, it does not seem to work as soon as masking or clipping come into play. I have created 4 donuts (PNG24 export): Donut 1) No anti-aliasing workaround used Donut 2) Anti-aliasing workaround used (no masking or clipping used - just the normal "fill"-option was used) Donut 3) Anti-aliasing workaround used on masked donut Donut 4) Anti-aliasing workaround used on clipped donut (textured clipped mask for "see through effect (layer used to mask with has the same blend options of course) As expected anti-aliasing was implemented on donut 1 after the export. The workaround works great on donut 2 as you can see. But when donut 3 is masked, transparent pixels appear on the export although the workaround was implemented on every object layer. Donut 4 was clipped. As you can see the border of the donut is fine (no anti-aliasing) but the textured mask (which has the same coverage map settings for "no anti-aliasing" of course) appears with transparent borders on the "see through"-parts. Am I doing something wrong? A simple "turn anti-aliasing on and off button" would be such a helpful option in my opinion. Since I create designs with allot of shapes and strokes it is a big pain to have to manually select all object layers and then set the right blend options every time. This would be a great new feature, since this topic seems to be discussed/ requested for years now. Here is the AD file if you want to have a look Anti-Aliasing Demo.afdesign Lookin g forward to your replies y'all Cheers!