Our custom PDF.js viewer comes with a meticulously designed UI out of the box. If our design does not suit your needs, every single component can easily be customized
PDF.js Express's UI is completely open source. Dig in to the source code and make fine tune custom changes as you need.
Our customization APIs are extensive and easy to use. Easily change themes, add buttons, or customize the toolbar.
See what you can do
Integrate a PDF.js viewer and annotator into any application with minimal effort. Use our extensive guides and samples to guide you along the way
Change the style of your PDF.js viewer and annotator to match your brand and fit seamlessly into your application
Have a question or need help with your implementation? Get answers directly from the developers in our community based support forum