: What are some common open (royalty-free) image formats? Which common image formats are open or royalty-free?

@Harper654

There's the OpenRaster format (Wikipedia; extension .ora), a proposed open standard for exchange between image editing applications. It is intended to support layered images, comparable to Photoshop's PSD and GIMP's XCF.

Currently it's only used by open-source applications like GIMP.

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@RJPawlick971

Pearsonartphoto mentioned several raster formats. A couple of other file formats that are used for vector based files:


SVG (open standard) en.wikipedia.org/wiki/Scalable_Vector_Graphics PDF (originally proprietary, now open standard) en.wikipedia.org/wiki/PDF

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@Shelley591

A few of the more well known ones are:

PNG, DNG, BMP, GIF (Patents are expired),

Some in question are: JPEG (Lawsuits pending), TIFF (Until next year),

Some requiring licensing are: JPEG 2000,

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