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    • NCH Software
      https://www.nchsoftware.com › picopdf › encrypt
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      Encrypt Pdf Free | See How To Encrypt PDF Files

      SponsoredProtect your PDF files with encryption. Encrypt pdf files easily on Windows PC and Mac. Easily add encryption to a pdf, encrypt pdf files for email and share. Download Free

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    • LegalTemplates
      https://legaltemplates.net › lock-pdf
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      Password Protect Pdf | Lock PDF Online for Free

      SponsoredLock/Protect PDF Documents Online From Any Devices. Simply Upload, Save, Download & Print. Upload & Protect Your PDF Documents Online. 100% Safe and Secure. No Installation Needed.
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    • Adobe Acrobat
      https://www.adobe.com › online-tools › free
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      Password protect PDF files | Password protect your PDF

      SponsoredAdobe Acrobat lets you password protect your PDFs. Keep your files safe and secure. Encrypt your PDFs with Adobe Acrobat. Add a password for an extra layer of security.
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