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Antti Hamara

Requests: No Alpha option to PNG export

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I head on problem on my work where PNGs I exported from Affinity were file size were too big for platform we needed to send them. Reason for this was Alpha channel.

I would need have option in PNG export to not include alpha channel. Now I had to re save  files on Photoshop just to get alpha channel out of the pictures.

 

Resaving picture or two in Photoshop dose not sound too bad, but when you have tens different size and rations versions of your document. It would be very help to get files in needed format from Affinity's awesome Slice Exporter.

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Either give your png images a background>group and export

Or simply use the export options right:

  • Whole document
  • Selection with background
  • selection without background

Hans

 

ps. you can always export as jpeg and use a converter to batch convert to .png


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Win10(1903)Home / Photo / Designer / Publisher & latest (beta) versions

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19 hours ago, haakoo said:

you can always export as jpeg and use a converter to batch convert to .png

The problem with that workaround is that a .jpeg isn't a lossless format, and every time you work with it the quality becomes worse.

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Hi,

 

Affinity Photo will automatically write 24bit PNG (no alpha channel) if there are no transparent pixels in your image. Either put a rectangle under all your layers, or chooses a "Matte" colour from the export dialog..

 

Hope this helps,

 

Andy.

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