| PDF Protection | Copysafe PDF Protection | Lizard Safeguard PDF Writer | PDF Unshare | |
| 18.0 | 3.0 | 3.0.20 | 1.5.3 | |
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| Shareware | Shareware | Trialware | Freeware | Licence |
| $29.00 | $295.00 | $2 495.00 | FREE | Price |
| 5.20 MB | 16.52 MB | 3.90 MB | 19.82 MB | File size |
| Jun 14, 2018 | Dec 30, 2018 | Nov 11, 2015 | Jun 27, 2023 | Update |
| 31 | 14 | 18 | 34 | Downloads |
| Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64 | Win2000, Windows 7 x32, Windows 7 x64, WinOther, WinServer, Windows Vista, Windows Vista x64, Windows XP, Other | OS |
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