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Download PDFlib PLOP & PLOP DS 5.1
All PLOP packages contain combined binaries which cover two products:
- PLOP is a versatile tool which can repair, linearize, optimize, encrypt, and decrypt PDF documents.
- PLOP DS (Digital Signature) offers all features of PLOP, plus the ability to apply digital signatures to PDF documents. The digital signature feature is only available in PLOP DS, but not in the PLOP base product.
English PLOP & PLOP DS documentation is included in each of the packages. Technical documentation in languages different from English can be found below the download table.
PDFlib PLOP and PLOP DS packages contain:
- the command-line program
- the library for the languages noted
- the documentation
- examples for all supported languages
PDFlib PLOP / PDFlib PLOP DS 5.1 (released 05/2016)
| Platforms | Package for use with | |
 Windows - see system requirements | ||
| Windows Server x86 and Windows XP/Vista/7/8/10 on x86 | COM | .NET, C, C++, Java, Perl, PHP, Python, Ruby |
| Windows Server (64-bit) and Windows XP/Vista/7/8/10 (64-bit) on x64 | COM | .NET, C, C++, Java, Perl, PHP, Python |
 OS X/macOS - see system requirements | ||
| OS X/macOS 10.6 and above on x86/x64 | C, C++, Java, Perl, PHP, Python, Ruby | |
 Linux/FreeBSD - see system requirements | ||
| Linux on IA-32 (for Intel x86) | C, C++, Java, Perl, PHP, Python, Ruby | |
| Linux on Intel 64 | C, C++, Java, Perl, PHP, Python, Ruby | |
| FreeBSD 7/8/9/10 x86 | C, C++, Java, Perl, PHP, Python, Ruby | |
| FreeBSD 7/8/9/10 Intel 64 | C, C++, Java, Perl, PHP, Python, Ruby | |
| Mobile and Embedded Systems - system requirements | ||
| iOS | Objective-C, C, C++ | |
| Android | C, C++ | Java |
| Oracle/HP/IBM - see system requirements | ||
| Oracle Solaris on sparc | C, C++, Java, Perl, PHP, Python, Ruby | |
| Oracle Solaris on sparc (64-bit) | C, C++, Java | |
| Oracle Solaris on x86 | C, C++, Java, Perl, PHP, Python, Ruby | |
| Oracle Solaris on x64 | C, C++, Java | |
| HP-UX 11 on IA-64 (ILP32) | C, C++, Java, Perl, PHP | |
| HP-UX 11 on IA-64 (LP64) | C, C++, Java, PHP | |
| IBM AIX 5/6/7 | ||
| IBM AIX 5/6/7 (64-bit) | C, C++, Java | |
| IBM i5/iSeries and zSeries - see system requirements | ||
| IBM i5/iSeries1 | ||
| IBM zSeries (USS) | C, C++, Java | |
1) See here regarding the use of AIX binaries for Java or PHP for deployment on IBM i5/iSeries.
- PHP 5.4, 5.5, 5.6 and 7.0 is supported (not all versions are available on all platforms). See our PDFlib in PHP HowTo document for more info about PHP and PDFlib products.
- For .NET please see our document PDFlib in .NET HowTo.
- Perl 5.8, 5.18, 5.20 and 5.22 is supported.
- Python 2.5, 2.6, 2.7, 3.2, 3.3 and 3.4 is supported.
- Ruby 2.0, 2.1, 2.2 and 2.3 is supported.
If you want to check that your download was free of transmission errors, we provide md5 checksums for all download packages.
PDFlib PLOP & PLOP DS Documentation
The PDFlib PLOP & PLOP DS Reference Manual provides a thorough introduction to programming with PDFlib PLOP and the complete PLOP API. It is a must-read for all PLOP developers.
| PDFlib PLOP & PLOP DS | ||
 | PDFlib PLOP & PLOP DS Reference Manual | The English edition of the PDFlib PLOP & PLOP DS 5.1 Reference Manual is included in all PLOP 5.1 packages. |
 | pCOS Path Reference | English Path Reference for pCOS interface 11 in PDFlib PLOP & PLOP DS 5.1 |
 | PDFlib PLOP & PLOP DS Referenzmanual | German PDFlib PLOP & PLOP DS 5.1 Reference Manual |
| pCOS Pfadreferenz | German Path Reference for pCOS interface 11 in PDFlib PLOP & PLOP DS 5.1 |
 | PDFlib PLOP & PLOP DS Reference Manual | Japanese PDFlib PLOP & PLOP DS 5.1 Reference Manual |
| pCOS Path Reference | Japanese Path Reference for pCOS interface 11 in PDFlib PLOP & PLOP DS 5.1 |