| Undo PDF Password | Batch PDF Security Remover | Birdie PDF Security Remover | FAST | |
| 3.5 | 3.5 | 3.5 | 2.0.1 | |
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| Shareware | Shareware | Shareware | Open Source | Licence |
| $19.00 | $19.00 | $19.00 | FREE | Price |
| 1.09 MB | 1.09 MB | 1.09 MB | 0.79 MB | File size |
| Mar 24, 2014 | Feb 10, 2014 | Feb 10, 2014 | Feb 24, 2012 | Update |
| 7 | 28 | 18 | 30 | Downloads |
| 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 | Win2000, Windows 7 x32, Windows 7 x64, Windows Vista, Windows Vista x64, Windows XP | Windows XP, Windows Vista, Windows 7 | OS |
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