Simply use cURL to Render & View Documents

Exposes RESTful APIs to view and render business documents & attachments for supported file formats. Render as PDF, HTML, PNG or JPG image‎

  • GroupDocs.Viewer Cloud SDK for .NET
  • GroupDocs.Viewer Cloud SDK for Java
  • GroupDocs.Viewer Cloud SDK for PHP
  • GroupDocs.Viewer Cloud SDK for Python
  • GroupDocs.Viewer Cloud SDK for Ruby
  • GroupDocs.Viewer Cloud SDK for Node.js
  • GroupDocs.Viewer Cloud SDK for Android
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GroupDocs.Viewer Cloud for cURL allows you to seamlessly enhance your application with the capability to render a number of document formats. The API supports a variety of document formats and allows viewing a specific document in HTML, image, PDF or its original format with the flexibility to render the whole document, page by page or custom range of pages.

Advanced Document Viewer REST API Features

Render documents as HTML5

Render documents as Image

Rotate, reorder & watermark pages

Render documents as PDF

Render document attachments

APIs are secured and require authentication

Quick and Reliable Request and Response

The cloud based viewer API provides you all the supported file formats along with file extensions in a well formatted JSON response with just a few lines of code. Get Supported File Formats - cURL

curl -X GET "" \
-H "accept: application/json" \
-H "authorization: Bearer xxxxxxxxxx"

Get Started with Document Viewing REST API

It is easy to get started with GroupDocs.Viewer Cloud as there is nothing to install. Simply create an account at GroupDocs Cloud and get your application information. Once you have the App SID & key, you are ready to give the GroupDocs.Viewer Cloud REST API a try with any language - on any platform.

Flexible Rendering of Documents

GroupDocs.Viewer Cloud is a powerful document viewer REST API that allows you to display over 85 document formats in your applications. It allows document rendering for the whole document, page by page or custom range of pages.

Language, Platform & Storage Independence

GroupDocs.Viewer Cloud can not only be used with any language or platform which supports HTTP requests and responses, but it can also be used with many third party cloud storage providers including Amazon S3, Google Cloud, Google Drive and DropBox.

Security and Authentication

The GroupDocs.Viewer Cloud API is secured and requires authentication. Users need to register at GroupDocs Cloud and get their app access key ID and app secret access key. Authenticated requests require a signature and AppSID query parameters or OAuth 2.0 authorization header.

API Explorer

The easiest way to try out GroupDocs.Viewer Cloud API right away in your browser is by using GroupDocs for Cloud Web API explorer, which is a collection of Swagger documentation for the GroupDocs Cloud APIs. It also provides testing and interactivity to our API endpoint documentation.

View Documents using GroupDocs.Viewer Free App


Support and Learning Resources

GroupDocs.Viewer Cloud also offers individual document rendering SDKs for other popular languages as listed below: