| Encrypt PDF (Secure PDF) | Encrypt PDF SDK-COM Component | PDF Ripper | PDF Compress | |
| 2.3 | 2.1 | 2.06 | 3.02 | |
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| Shareware | Shareware | Shareware | Shareware | Licence |
| $38.00 | $199.00 | $49.00 | $49.00 | Price |
| 0.74 MB | 0.15 MB | 1.05 MB | 1.56 MB | File size |
| Jul 1, 2003 | Jul 1, 2003 | May 26, 2013 | Apr 15, 2013 | Update |
| 69 | 20 | 112 | 37 | Downloads |
| Windows XP, Windows 2000 | Windows XP, Windows 2000 | Win8 x32, Win8 x64, Windows 7 x32, Windows 7 x64, WinServer, Windows Vista, Windows Vista x64, Windows XP, Win2000, Win2003, Win2008 | Windows 7 x32, Windows 7 x64, Win8 x32, Win8 x64, Windows XP, Windows 2003, Windows 2000 | OS |
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