| PDF Unlock | PDF Manager | Unlock Secured PDF | Unlock Security from PDF | |
| 5.5.1 | 21.12 | 3.9 | 3.9 | |
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| Shareware | Shareware | Shareware | Shareware | Licence |
| $19.00 | $49.00 | $19.00 | $19.00 | Price |
| 1.19 MB | 113.43 MB | 1.51 MB | 1.51 MB | File size |
| Dec 25, 2012 | Jun 25, 2022 | May 24, 2012 | May 28, 2012 | Update |
| 31 | 31 | 24 | 14 | Downloads |
| Win2000, Windows 7 x32, Windows 7 x64, WinOther, Windows Vista, Windows Vista x64, Windows XP, Other | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows 2000, Windows 2003, Windows Server 2000, Windows Server 2003, Windows Server 2008, Windows Server 2008r2, Windows Server 2012, Windows Tablet PC Edition 2005, Windows Media Center Editi | Win2000, Windows 7 x32, Windows 7 x64, Windows Vista, Windows Vista x64, Windows XP | Win2000, Windows 7 x32, Windows 7 x64, Windows Vista, Windows Vista x64, Windows XP | OS |
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