10.6: Remove passwords from edit-restricted PDFs

Good tip!

10.6: Remove passwords from edit-restricted PDFs: "Four years ago, I wrote a hint about how to remove a PDF password using ColorSync from those PDF files than you can view, but not copy or change. It did not apply to files that were encrypted with a password and could not be opened.



To my surprise, it has been one of the more popular hints, with over 112,000 hits. However, since Tiger, Apple has progressively tightened the PDF DRM, so that the hint does not work in Snow Leopard any more. There are several third party programs that will do it, but here's how to do it in Snow Leopard for free.



Note that this hint will not decrypt PDF files that cannot be opened without a password.
The following do not work: copying the old ColorSync from Tiger, ...











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(Via MacOSXHints.com.)