Foxit PDF SDK for Web
Full PDF viewer and editor in your browser using JavaScript. Open, view and annotate PDF files on both mobile and desktop devices. As a purely JavaScript library, our product requires no plug-ins and provides native-like performance no matter where you use it.
INTRODUCING FOXIT PDF SDK 7.5
Foxit’s last release of 2020 comes with lots of new features and upgrades. With our desktop SDK, we’ve extended layout recognition support to now include Linux and Mac (as well as Windows), additional rich text support for free text annotations, HTML2PDF functionality now allows cookie loading straight from memory and many more upgrades.
On the mobile side of this release, you can now add languages with Android Xamarin with just 2 lines of code, autosave flags for automatically saving signed documents and loads of new demos for search, shapes, watermarks and image to PDF conversion to make your developing faster to market.
For our Web PDF library, we’ve added new features for annotations and forms including new classes PDFControl and Widget for controlling types and appearance, extended support for screen annotations and automatic calculations in form fields. Finally, we’ve also added CSV and TXT file format support for form importing and exporting.

FEATURES
PDF Viewing
Digital Signature
PDF Forms
Full-Text Search
PDF Annotations
Text Editing
See it in Action
Have you tried our live demo yet? It includes all the PDF SDK for Web features you can use in your project. View, edit, annotate, secure, and sign PDFs from your browser, regardless of whether you are on a desktop or a mobile!
DESIGNED FOR FASTER DEVELOPMENT
PDF SDK for Web is built on the most popular web technologies.

JS backend, HTML/CSS/JS frontend
PDF SDK for Web is built on commonly used web technologies to get your programmers up to speed faster, thus reducing time to market.
Client-side Deployment
Some PDF SDKs require to be deployed in a server, severely increasing the cost of use. Foxit PDF SDK for Web operates client-side thus reducing your server hosting costs.
Advanced Technology
XFA FORMS
Text Editor
PDF/A
Benefits
CUSTOMIZABLE UI
Developers can easily design a unique style for their Foxit PDF SDK for Web user interface, and make it consistent to their web app.
SCALABLE
Unlike other competitors, Foxit PDF SDK for Web doesn’t have a server-side component, which eliminates the cost of infrastructure.
Easy to Integrate
Powered by Foxit’s Powerful Technology
The core technology of PDF SDK for Web is based on Foxit’s PDF rendering engine, which is trusted by a large number of well-known companies. Foxit’s powerful PDF engine makes document viewing fast and consistent in all platforms.
PDF SDK FOR WEB WORKS WITH ALL MODERN BROWSERS
And requires minimal server-side resources!

Foxit PDF SDK for Web in action
// Add the script below to your javascript file to initialize the viewer // Replace "window.demoLicenseKey" with your license key // And replace 'doc' with the path to the PDF file you wish to load <script> var docViewerId = 'docViewer'; $(document).ready(function(){ var optionsParams = { language: window.getLanguage(), toolbarConfig: window.toolbarConfig, fontUrl: 'http://webpdf.foxitsoftware.com/webfonts/', licenseKey: window.demoLicenseKey, }; WebPDF.ready(docViewerId, options, false).then(function(){ openDocument(); }); function openDocument(){ var fileurl = WebPDF.baseUrl + 'doc'; var openFileParams = { url: fileurl, fileId: fileurl }; WebPDF.ViewerInstance.openFileByUri(openFileParams).catch(function(error) { console.log(error); });} }); </script>