jPDFSecure 2021R1 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The most frequent installer filename for the program is: jPDFSecureSample.exe. The following versions: 2.5 and 2.0 are the most frequently downloaded ones by the program users. The actual developer of the software is Qoppa Software, LLC. JPDFSecure is categorized as Security Tools.
From the developer:
jPDFSecure is a Java library that can digitally sign PDF documents and change security settings on PDF Documents. With jPDFSecure, your application or java applet can encrypt PDF documents, set permissions and passwords, and create and apply digital signatures.
jPDFSecure has a simple interface to load PDF documents from files, network drives,URLs and even input streams, which can be generated runtime or come directly from a database.
You may want to check out more software, such as ANtsP2P, MessageLock or SiteAdvisor for Internet Explorer, which might be similar to jPDFSecure.