Test images for PNG format, typically used to convert to other formats.
You can visit/star/clone all the test images repos at GitHub.
Latest files are in š 202105
MIT, though art, photos, website screenshots are (c) of their respective creators. I tried to use āFree for commertial useā for 3rd party artistic content. Website screenshots are in āfair useā due to the nature of this testing (small snipit in context). I may have used only a portion of 3rd party files, so do not expect clones.