| PDF Unlock | PDF Password Removal Software | PDF Paper Stats | uMark PDF Watermarker | |
| 1.0 | 7.0 | 2.02 | 1 | |
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| Freeware | Shareware | Shareware | Shareware | Licence |
| FREE | $19.99 | $99.95 | $29.00 | Price |
| 0.74 MB | 7.31 MB | 1.73 MB | 2.69 MB | File size |
| May 30, 2017 | Sep 19, 2010 | Sep 30, 2024 | Jun 6, 2017 | Update |
| 16 | 24 | 21 | 10 | Downloads |
| 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 x32, Windows 7 x64, Win2000, WinOther, Windows 2000, Windows 2003, Windows 8 | Windows XP | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | OS |
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