| PDF Protector, Splitter and Merger PRO | PDF Password Protect | PDFdu Free Merge PDF Files | Swiss File Knife | |
| 1.0.8 | 3.4.0 | 1.6 | 1.9.9 | |
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| Shareware | Shareware | Freeware | Freeware | Licence |
| $19.95 | $27.00 | FREE | FREE | Price |
| 1.98 MB | 4.06 MB | 1.99 MB | 2.53 MB | File size |
| Jan 1, 2011 | Jul 21, 2014 | Mar 18, 2016 | Sep 16, 2023 | Update |
| 29 | 29 | 15 | 45 | Downloads |
| Win2000, Windows 7 x32, Windows 7 x64, Windows Vista, Windows Vista x64, Windows XP | Windows XP, Windows 2000, WinNT 4.x | Win2000, Windows 7 x32, Windows 7 x64, WinOther, WinServer, Windows Vista, Windows Vista x64, Windows XP, Other | 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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