Articles pages: (The articles are just for graphic editing software engineer to accumulate knowledge to design better software for the end customers. They are not well-organized.)
Related knowledge of photo editing software:
Convert photo to ASCII art image on webpage
Free batch Thumbnail Image Generator software
Convert any webpage into PDF with PDF Download
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PDF Toolbox: 40+ Tools to Rip, Mix and Burn PDFs
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PhotoFunia add animated image effects & face detection
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ImageShack Uploader to batch upload image & video files
Photo Retouching & cleaning online tool at PicTreat