| PDF Postman | Ace Secret Disk | PDF Page Lock | PDF Encrypt Tool | |
| 2.5.423 | 8.12 | 2.0.4 | 3.50 | |
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| Shareware | Shareware | Freeware | Shareware | Licence |
| $69.99 | $29.95 | FREE | $29.95 | Price |
| 60.16 MB | 6.65 MB | 11.33 MB | 3.05 MB | File size |
| Jun 6, 2014 | Feb 26, 2024 | Jun 28, 2018 | Feb 25, 2014 | Update |
| 17 | 70 | 34 | 39 | Downloads |
| Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Win11, Win10, Windows 7 x32, Windows 7 x64, Windows 8 | Win2000, Windows 7 x32, Windows 7 x64, WinOther, WinServer, Windows Vista, Windows Vista x64, Windows XP, Other | Windows 2000, Windows XP, Windows 2003 | OS |
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