Legacy ImageMagick Discussions Archive

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• identify -list format

The mode for JPEG should be rw- which translates to read/write JPEG images. If JPEG is not listed or the mode is not ---, that means ImageMagick was not built with JPEG support. When you run the configure script, it reported that the JPEG delegate library was not validated. Get the configure script to validate the JPEG library and you will be able to read/write JPEG images.