Inkscape. Draw Freely. How to Edit PDF Files - Free Tools for Manipulating PDF Documents. The PDF file format was originally created by Adobe in the early ’90s and it now the most popular format for exchanging all sorts of documents including presentations, CAD Drawings, invoices, government forms and other legal documents. There are several reasons why PDF file format is so popular. PDFs are generally more compact (smaller in size) than the source document and they preserve the original formatting. The content of a PDF file cannot be modified easily and you can prevent other users from printing or copying text from PDF documents. Also, you can open a PDF file on any computer or mobile device natively. While PDF Files are “read only” by default, there are workarounds that will let you modify any PDF document for free without requiring the source files or any of the commercial PDF editing tools like Adobe Acrobat.
We are primarily focusing on tools that let you alter the actual contents of a PDF files. An Online PDF Editor for Basic Tasks Change Metadata of PDF Files. PDFescape - Free PDF Editor & Free PDF Form Filler. PDF to Flash page flip - flipping book software. Free web apps & blog and website widgets. Free programs to open any file extension! CutePDF - Create PDF for free, Free PDF Utilities, Save PDF Forms, Edit PDF easily. Convert HTML to PDF online, Web/HTML to PDF API.