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Aug 22, 2010 · Run: qpdf --decrypt InputFile.pdf OutputFile.pdf (use " s if the file name has spaces). Do what you like with the OutputFile. If your PDF file is user password protected, change step 4 to qpdf --decrypt --password=yourpassword InputFile OutputFile. This won't work for Adobe Digital Editions and may have issues with digitally-signed files.
Jul 8, 2013 · If the PDF is secured with a server-based security policy, only the policy author or a server administrator can change it. In the open PDF, do one of the following: Select Tools > Protection > Encrypt > Remove. In the Security tab of the Document Properties dialog box, choose No Security from the Security Method menu.
Dec 21, 2009 · As of version 1.15.0 (which can be downloaded from here), password protection can be removed (assuming the password is available) with: mutool clean -p "myPassword" -D protected.pdf pdfnopassword.pdf. The -D flag is not currently documented, but was added in commit 60b13ad. @Matt.
To remove a password from PDF file on Mac, the simplest way is using Preview app. First open password protected PDF with Preview app. Then input the password to unlock the file. From the File menu, select Export and choose a location to store the PDF. Make sure the Encrypt option is unchecked.
Just go the document Word version, click save as, then before select "pdf" under "Save as type:", delete all is in the field "Authors:" and also click on "options" button on this window and deselect in the pop up window the "document properties" and "document structure tags for accessibility". Then click "ok" and "Save".
Mar 28, 2014 · I've been given a PDF that is password-protected. I have the document-open password, which is enough to decrypt the contents and allow PDF readers to load the content correctly. Is there a command-line tool that will perform this decryption process (based on the provided password) and write the decrypted PDF to a new file?
Apr 7, 2021 · Make sure you set correct paper size when "printing". If you want to redo OCR instead of removing it completely, and you don't mind command line, use ocrmypdf: ocrmypdf --redo-ocr --output-type=pdf input.pdf output.pdf. On Windows 10, the easiest way to setup and use ocrmypdf is via WSL. Share.
It appears that Word's password protection is not really good, at least until Office 2003, if I read this SU entry correctly. I'm under the impression that Acrobat's PDF password protection should be better (it says 128-bit AES for Acrobat 7 and higher). Is that true?
Jul 31, 2012 · Since the watermark is actually composed of many tiny images, you can remove them with a PDF editor (e.g., Foxit Advanced PDF Editor), simply by selecting them and pressing Delete. Unfortunately, you have to repeat this for every page. A less time-consuming solution would be to remove the watermark programmatically.
Feb 1, 2017 · Go to the install directory, i.e. C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroApp\ENU. Create a new subfolder (I used Disabled). Move three files from the ENU folder into the new Disabled folder: AppCenter_R.aapp, Home.aapp and Viewer.aapp. Open a PDF and no more Tool Pane!
