Image::Magick reads BMP format images, and so does Imager, at least if you look at Imager::Files. I don't have any first-hand experience with GD, but I believe it's mostly targetted at generating GIF (and PNG) files, not reading or manipulating images.

In reply to Re: Convert BMP to JPEG by Corion
in thread Convert BMP to JPEG by Sewi

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