HTML5 document viewer - CSPanorama API

CSPanorama API is the latest HTML5 document viewer released by CSoft AS. It is the next generation suite of high-speed viewing software designed for viewing, annotating documents and images from anywhere. CSPanorama API aids developers to seamlessly display PDF, CAD and Raster documents within their own web or mobile applications. This is an easy to use viewer engine which can be integrated for viewing documents and images into Enterprise Content Management (ECM) systems. CSoft has designed this file viewer in a manner where users’ development teams can use its customizable API features to increase productivity and streamline workflows.

Why choose CSPanorama viewer API

Integrate CSPanorama API in your web application to show documents and drawings in any browser. You do not need to install any other software like: ActiveX controls or plugins on the browsing device. It works in any device, like your desktops, tablets, smartphones etc. Application developers and end users both will see important benefits from using this html5 viewer.

  • Supports all leading browsers.
  • Supports Raster, PDF and CAD file formats that address the requirement of several industries and users.
  • Reduces need for native applications to only view files and thus saves cost of additional software licenses.
  • The original files are not downloaded to the client when they are viewed. This helps check unnecessary transfer of files.
  • Provides seamless web and mobile friendly viewing experience.
  • Allows developers to customize viewer style and functionality while maintaining control over document viewing within their applications.


CSPanorama API Features

PDF Rendering

PDF Rendering (New)

  • Now view multipage PDF in a single window like standard document readers;
  • You can search text inside the pdf with our new text based rendering;
  • Navigate through Bookmarks in PDF documents;

Powerful CAD features (New)

CSPanorama API offers powerful CAD features like

  • New enhanced CAD Rendering
  • Inspect CAD properties and interact with objects inside the drawing
  • View Xref in CAD files
  • Search texts inside CAD documents
  • View, switch on/off Layers of a CAD file
  • Get CAD element details in mouse events
  • Read Architecture objects like Door, Window, floor Stairs etc.

Multiple file format support

Supported File Formats

User can view and collaborate most of the common business document and image files with this HTML5 based document viewer :

  • Portable Document Format: .pdf
  • Image files: .bmp, .gif, .jpeg, .jpg, .png, .tiff, others
  • CAD Drawing File Format: .dxf, .dwg (latest), .dgn

Supports all leading browsers

Supports all leading browsers

Users can view documents from any web-enabled device that supports HTML5-ready web browsers like Chrome, Firefox, Opera, and IE.

Great User Experience

This powerful tool offers developers useful tools for viewing documents online. You can add required functionalities like navigating multiple pages of a document, preview them with thumbnails, and zoom in/out of a document, drawing annotations on documents in your web application in minutes.

Support multiple annotation tools

Support multiple annotation tools

The document viewing solution allows users to easily add annotation functionality to the document. It supports advance and various annotation tools like geometric shapes, lines, arrows and stamps.

Easy Integration

Easy Integration

The viewer’s GUI can be easily customized to adopt it to your app’s or website’s theme. You can add/remove buttons, toolbars, configure events and re-style the appearance. Our SDKs allow developers to configure the document viewer rapidly with minimum coding.


Fully customizable look & feel

The document viewer in HTML5 looks like it was built just for your application by customizing every aspect of its appearance. The documentation and the sample application provide help to customize the viewer with simple html and JavaScript so that CSPanorama fits with your application seamlessly.

Flexible deployment option

The HTML5 based document viewer offers document encryption, on premise storage options, and multiple deployment options. Developers can pick any of our flexible Deployment licenses between OEM and SME

Clean HTML and JavaScript API

The developer when access gets clean HTML and JavaScript API for their use.

Clean HTML and JavaScript API

Built-in commenting & markup tools

Users can easily collaborate on documents using CSPanorama API built-in commenting, highlighting and drawing tools.


Classification of CSPanorama API

Raster + Annotation + PDF
Raster + Annotation + PDF + CAD

Supported file formats

  • JPG- Joint Photographic Experts Group
  • BMP- Bitmap
  • TIF- Tagged Image File
  • TIFF- Tagged Image FIle Format
  • GIF- Graphics Interchange Format
  • PNG- Portable Network Graphics
  • PDF- Portable Document Format
  • DWG- Drawing File (Latest version)
  • DXF- Drawing Exchange Format
  • DGN

  • Zoom
  • Pan
  • Rotate
  • Ruler
  • Multi Page Navigation
  • Change Background
  • Zoom to Zone
  • Fit to View
  • Text Search in CAD
  • Text Search in PDF

  • Draw Annotations
  • Save Annotations
  • Edit Annotation
  • Delete Annotations
  • Resize Annotation
File Properties

  • File Properties
  • File Thumbnails
  • PDF Bookmarks
  • CAD Layers
  • CAD Entities

* Available in CAD package

* Coming in next release