Document creation and editing, collaboration, eSign, and more - if you need PDF editing software, we've tested the best available tools When you purchase through links on our site, we may earn an ...

PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

My team and I put the best free PDF editors to the test - and these are the top picks I've ever used. They're all completely free to use, whether you're creating a PDF file from scratch or modifying ...

iTextSharp is a C# port of iText - an open-source Java library for PDF generation and manipulation. It can be used to create PDF documents from scratch, to convert XML to PDF, to fill out interactive ...

A blockchain is a distributed database that is used to maintain a continuously growing list of records, called blocks. Each block contains a timestamp and a link to a previous block. A blockchain is ...