What the flag really is
A permissions flag is a number stored in the document’s encryption dictionary. It isn’t a lock on the content. It’s a note that says, in effect, “don’t print this”, and it works because the reader you’re using has decided to take instructions from the file.
The pages themselves are ordinary pages. If the file carries an owner password rather than a user password, the content isn’t encrypted at all, and a reader that ignores the flag displays and prints it exactly like any other document. That isn’t a bypass; it’s the format behaving as specified.
Work out which one is in your way
- Opens with no password, but Print is grayed out: an owner password with the printing flag off. Clearing it on your own copy is straightforward.
- Asks for a password before showing anything: a user password. You need that password, and nothing else will do.
- Opens and printing is allowed, but the sheet comes out blank or garbled: that isn’t a flag. That’s a rendering problem, usually a font that was never embedded.
- Opens, prints correctly, but the print dialog refuses the job: that’s your driver or a print-management policy, not the PDF.
What the tool does, and what it won’t do
Hand it a file with an owner password and it clears the restrictions and writes a plain copy: pages as they were, text layer intact, no encryption. Hand it a file with a user password and it asks for that password, derives the key from what you type, and writes the decrypted copy.
It won’t guess. There’s no dictionary, no brute force, no rainbow table. A file whose password you don’t have is a file you can’t open here, and that’s deliberate. The same design that makes it safe to hand this tool a contract also makes it useless for opening someone else’s.
Check the copy before you rely on it
Open the exported file and try the thing that was blocked. Print one page to a PDF printer rather than to paper, because it’s faster, and it tells you whether the restriction is really gone.
Then confirm the text is still selectable. On an owner-password file it always is, because nothing about the content changed. On a user-password file the export is a fresh write of the decrypted pages, and the text layer comes through as it was.
When the file won’t print for a different reason
A PDF that opens and prints as blank sheets, or as garbage, is a different failure with a different cause. The usual one is a font the printer can’t find, because the document referenced it instead of embedding it. A permissions change doesn’t touch that.
The other common one is a page size the driver doesn’t recognize. A large-format drawing sent to an A4 printer often produces a clipped or empty sheet. The crop tool changes the page box if that’s your case, and it doesn’t touch the content either.