jkujawski Posted August 5, 2015 Share Posted August 5, 2015 Hi, I am testing performance of affinity designer (MAC) vs photoshop CS6 (MAC). I've got a PSD file with multiple folders, layers etc. The file is 750x2000 pixels, so it's quite big. I'm exporting in photoshop png-24 without transparency - exported file has 78kb. After exporting in affinity designer in both png options (24,8) I've got these sizes: 192kb and 119kb respectfully. So at the moment the most important question is how to export png file so at least the size is similar to Photoshop. Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted August 5, 2015 Staff Share Posted August 5, 2015 Hi jkujawski, Welcome to Affinity Forums :) There's no way to control the export size of PNG's other than using the options in the Export Persona. I believe the export code wasn't totally optimised to output the lowest possible size yet. Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
jkujawski Posted September 29, 2015 Author Share Posted September 29, 2015 Hi MEB, Any updates regarding this issue? Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted September 29, 2015 Staff Share Posted September 29, 2015 No, not yet. Sorry. There's other things taking priority, however there will be improvements to the Export Persona to make it more flexible (including output preview). Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
jkujawski Posted December 16, 2015 Author Share Posted December 16, 2015 Hi, Can I have some update regarding this topic? I've done 2 tests on latest version of affinity designer and Photoshop CS6 I've exported 2 files to png files the result is as follows: Test 1: Width: 2468px Height: 1266px PS Export: 206KB Affinity Persona Export: 234.6KB Test 2: Width: 640px Height: 9088px PS Export: 1.1MB Affinity Persona Export: 1.4MB So I guess there are still differences. Please update me on the progress. Quote Link to comment Share on other sites More sharing options...
Herbert123 Posted December 16, 2015 Share Posted December 16, 2015 @jkujawski: Most design applications do a very poor PNG optimization job. Photoshop is not that great either (the old SFW is terrible, actually). I always use additional PNG optimizer utilities to do a final optimization run. Try running your Affinity and Photoshop generated PNG files through ImageOptim and/or imageAlpha, and compare again. https://imageoptim.com/ https://pngmini.com/ The best (visual) PNG optimizer is Color Quantizer - the level of control is impressive, and it even includes a quality mask brush tool. Nothing else compares. Unfortunately for Mac users: only available for Windows. But I did test it in WINE for Mac, and it runs. http://x128.ho.ua/color-quantizer.html Quote Link to comment Share on other sites More sharing options...
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