PDF linearization is a quick web viewing format which displays pages instantly without having to wait for an entire file to be completely downloaded. To make use of this feature, PDF SDK for Web's viewer checks at the initializati...

If you experience slow page loading with PDF SDK for Web, use Chrome Dev Tools to inspect your Network activity to check if the slowness is related to repeat file loading. If so, you should consider using a cache policy on st...

preloadJRWorker is our web SDK worker thread to perform tasks in the background. With version 7, we have made major improvements to the worker in order to reduce loading time. It can run simultaneously with the SDK JS libraries to...

Foxit PDF SDK for Web has a huge range of custom fonts available with the package. You can customize as much as you wish by using the 2 sample codes below. Setting up the font Path var pdfui = new PDFUI({  ...

Internalization Resources Foxit PDF SDK for Web has adopted the i18Next international framework to implement additional language support. The localization resources are stored at ~lib\locales. Each folder contains two resource...

Assumption Assume you have an assets/in your website root directory, where you will configure the language resources. Let's call this path as websiteRoot/assets/. Configuration Copy lib/locals inside the SDK to websit...

Foxit PDF SDK for Web allows you save PDF files to a web server easily with a short code. Please add the code below to do so: var FRAGMENT_ACTION = UIExtension.UIConsts.FRAGMENT_ACTIONar FRAGMENT_ACTION = UIExtension.UIConsts...

Foxit PDF SDK for Web comes with lots of customization options and you can now edit the loading icon and text. This icon/text refers to the time between UI initialization and document display. Follow the guidelines below to update...

Add an annotation on a given page   Programmatically add an annotation   var pdfviewer = await pdfui.getPDFViewer();var pdfdoc = await pdfviewer.getCurrentPDFDoc();var page = await pdfdoc.getPageByIndex(0);var json ...