Welcome to the FlexPaper Project. The open source web based document viewer.


Create professional digital publications with page turn effects and annotations


Online pdf reader

The software supports the full set of features expected from a modern document viewer such as searching, highlighting and printing.

The perfect marriage

Choose to use any combination of HTML5, HTML4 and Adobe Flash to maximize device and browser coverage. You're in full control of what to use.

Extend & Integrate

FlexPaper features an extensive API and we are continuously developing plug-ins to meet your needs. Our most popular plug-in brings support for annotations.


Publish Large

FlexPaper helps you split and optimize large publications so that you can let your visitors view them with minimum download waiting time.

Integrate in Minutes

We provide start-up scripts for PHP, Java and ASP.NET making configuration and publishing as easy as uploading a document.

Runs Everywhere

Our latest version supports the full range of hand gestures on touch enabled screens and operating systems such as iPad/iOS and Android.


Some of who are using FlexPaper