iSafePDF is a free open source PDF protection software. Created by Alaa-eddine KADDOURI iSafePDF is a free open source PDF protection software.It allows you to encrypt PDF document, sign them using a certificate and timestamp the signature.All those features are PDF standards so your document will be readable/editable with all standard PDF programs.
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iSafePDF
Alternatives
| # | Image | App Name | Features | Platforms | Price | Website Link |
| 1 |  |
Advanced PDF Utilities Free | Warning | Windows | Free | Website |
| 2 |  |
PDFTools | Discontinued | Windows | Free | Website |
| 3 |  |
PDFEncrypt | Windows | Free | Website | |
| 4 |  |
PDFTK Builder | PortableApps.com Windows |
Free | Website | |
| 5 | PyPDF2 | Mac Windows Linux |
Free | Website | ||
| 6 |  |
LockPDF | Web | Free | Website | |
| 7 |  |
jPdf Tweak | Discontinued | Mac Windows Linux |
Free | Website |
| 8 |  |
QPDF | Windows BSD Linux |
Free | Website | |
| 9 | PDF Architect Alternatives and Similar Software | Windows Windows |
Free with limited functionality | Website | ||
| 10 |  |
CapLinked FileProtect | Mac Windows |
Commercial | Website |