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On Thu, Sep 5, 2013 at 8:32 AM, Grant <emailgrant@×××××.com> wrote: |
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> Has anyone found a way to completely sanitize images of all |
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> potentially privacy-invading metadata for posting online? I recently |
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> discovered that there is actually an EXIF thumbnail image. So if you |
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> have a photo and you crop it and post it online, the EXIF thumbnail of |
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> the original uncropped image is still there for all to see. |
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|
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Whether or not the thumbnail remains uncropped depends on the cropping |
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software. Competent software should not do that to you, but as we know |
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not all software has been created equal. |
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|
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You can use jpegoptim --strip-all to remove any and all extra data |
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from your picture. Gentoo package name is media-gfx/jpegoptim. |