CDR Viewer REST API, SDK & App for Node.js | GroupDocs Viewer Cloud

GroupDocs.Viewer Cloud provides Node.js developers with a robust suite of APIs to integrate advanced document viewing functionalities into their applications. Our free CDR Viewer REST API and SDK allow users to effortlessly view CDR images directly within their apps, eliminating the need for additional downloads or installations. Beyond CDR, our APIs support a wide range of formats, including Microsoft Office, AutoCAD, and more, ensuring versatility and broad compatibility for diverse application requirements.

In addition to our powerful APIs, GroupDocs.Viewer Cloud offers a free online CDR Viewer App that enables users to view and annotate CDR files directly from their browsers. This app requires no installation, making it perfect for quick document access and collaboration. Users can highlight text, add annotations, and share documents via email, streamlining workflows and enhancing productivity. Whether used independently or integrated into your application, our online app provides a flexible and efficient solution for document interaction.

Moreover, GroupDocs.Viewer Cloud supports multiple platforms beyond Node.js. Python developers can take advantage of our comprehensive SDKs, complete with clear documentation and practical examples, to add CDR viewing capabilities to their projects seamlessly. The API Explorer feature allows developers to test and explore API functionalities directly in their browsers, offering an interactive way to understand and implement our solutions effectively.


  • View CDR Online via cURL or Free Online App
  • View CDR Online via Python or Free Online App
  • View CDR Online via PHP or Free Online App
  • View CDR Online via .NET or Free Online App
  • View CDR Online via Android or Free Online App
  • View CDR Online via Ruby or Free Online App
  • View CDR Online via Java or Free Online App

Node.js CDR Viewer REST APIs & SDK

View CDR and other Popular Formats for Free

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How to view CDR file online

  • Select the file by clicking the CDR App or simply drag & drop a CDR file.
  • Click the Open button to upload and view CDR file.
  • That is all! You can view your CDR document online.

Frequently Asked Questions

What are the benefits of using GroupDocs.Viewer Cloud Free Apps?

GroupDocs.Viewer Cloud Free Apps provide a convenient way to explore and test the document viewing capabilities before subscribing to a paid plan.

How can I access GroupDocs.Viewer Cloud Free Apps?

GroupDocs.Viewer Cloud Free Apps can be accessed directly from the GroupDocs website or through the GroupDocs web or mobile applications.

What features does GroupDocs.Viewer Cloud offer?

GroupDocs.Viewer Cloud provides various features, such as zooming, paging, searching within documents, text selection, and rendering options. You can render specific pages, generate document thumbnails, or even render documents as images.

I want to create my own app that can view CDR file online?

Check our Cloud SDKs at GitHub if you are looking for the source code to view CDR file format in the Cloud.

What document formats does GroupDocs.Viewer Cloud support?

GroupDocs.Viewer Cloud supports a wide range of document formats, including PDF, Microsoft Word (DOC, DOCX), Excel (XLS, XLSX), PowerPoint (PPT, PPTX), images (JPEG, PNG, GIF, TIFF), and more.

Does GroupDocs provide technical support for issues related to GroupDocs.Viewer Cloud Free Apps?

GroupDocs offers technical support for Free Apps users to assist with any technical difficulties or inquiries related to the GroupDocs.Viewer Cloud platform.

Are there SDKs available for GroupDocs.Viewer Cloud APIs?

Yes, GroupDocs provides SDKs for various programming languages to simplify the integration and utilization of Viewer Cloud APIs in your applications.

How can I integrate GroupDocs.Viewer Cloud into my application?

Integration is done through APIs provided by GroupDocs.Viewer Cloud. The service offers APIs for different programming languages and platforms, making it convenient for developers to incorporate document viewing capabilities into their applications or websites.

How reliable is the performance of GroupDocs.Viewer Cloud Free Apps?

GroupDocs.Viewer Cloud Free Apps offer reliable performance and high-quality document viewing experience, ensuring smooth and seamless viewing of various file formats.

How secure is the document viewing process in GroupDocs.Viewer Cloud?

GroupDocs.Viewer Cloud ensures a secure document viewing process with data encryption, secure protocols, and adherence to data protection standards.

Are there any limitations to the features available in GroupDocs.Viewer Cloud Free Apps?

GroupDocs.Viewer Cloud Free Apps may have restrictions on the number of document views, file types supported, or advanced functionalities compared to paid plans.

Are there any limitations or usage restrictions with GroupDocs.Viewer Cloud?

GroupDocs.Viewer Cloud has certain usage limits depending on the subscription plan you choose. These limits may include the number of API requests, document size, or the number of concurrent connections. Its recommended to review the pricing and plans to understand the specific limitations.

Is there a limit on the number of document views I can generate using GroupDocs.Viewer Cloud APIs?

GroupDocs.Viewer Cloud APIs offer flexible limits on the number of document views based on your subscription plan. Contact GroupDocs support for more details on view limits.

Can GroupDocs.Viewer Cloud Free Apps be used for commercial purposes?

GroupDocs.Viewer Cloud Free Apps are primarily for evaluation and testing purposes. For commercial use, consider upgrading to a paid subscription plan for full functionality and support.

I do not want to upload my confidential CDR files anywhere? What are my options?

GroupDocs.Viewer Cloud is also available as Docker image which can be used to self-host the service. Or you may build your own services using GroupDocs.Viewer High-code APIs which currently drive both CDR Free Viewer App and REST APIs.

Can I try CDR online viewer for free?

GroupDocs.Viewer Cloud App is completely free. You can view as many CDR and other files as you may like. If you are a developer and want to add this feature in your own app, you can try GroupDocs.Viewer Low-Code APIs without any limitations.

What file formats are supported by GroupDocs.Viewer Cloud APIs?

GroupDocs.Viewer Cloud APIs support a wide range of file formats including PDF, Word, Excel, and more.

CorelDraw Vector Graphic Drawing (CDR) Viewer REST API

Rotate, reorder & watermark CDR pages

View CDR as HTML5

View CDR and hundreds of other formats from CAD, Word, PowerPoint, Excel, Email & eBook

CDR REST APIs are secured and require authentication

Get CDR document information like page & attachment count as well as properties

View CDR as PDF

View CDR with its attachments

View CDR as Images like BMP, PNG, JPEG & TIFF

Printing support

Users can print documents directly from the viewer, enabling them to easily generate physical copies of the document content if needed.

Flexible Rendering of CDR Documents

GroupDocs.Viewer is a powerful document viewer REST API that allows you to display over 186 document formats in your applications. It allows rendering of CDR for the whole document, page by page or custom range of pages.

Free Alternative to Desktop & Mobile CDR Viewer Apps

GroupDocs.Viewer Cloud app does not need any installation or setup to view CDR. You can quickly start using the Viewer App in your browser to view any number of files per day absolutely free of charge.

Self-host CDR Cloud Viewer Free App

The GroupDocs.Viewer Cloud Container Image enables users to self-host GroupDocs.Viewer Cloud for CDR using Docker.

Integration capabilities

Developers can easily integrate the Viewer Cloud APIs into their applications to enable users to view documents directly within the application interface without the need to download them.

Render CDR files to remote FTP or Cloud storage

Use third-party cloud storage to save your CDR rendered files.

  • Amazon S3
  • Azure Storage
  • Google Cloud Storage
  • Google Drive
  • Dropbox
  • Box
  • FTP

Show or hide document headers and footers

GroupDocs.Viewer Cloud APIs supports rendering of headers and footers.

Text selection

Users can select, copy, and paste text directly from documents, making it easy to extract and use information from the content.

Zooming functionality

The Viewer Cloud APIs provide zooming capabilities, allowing users to zoom in and out of document pages to view content in more detail or from a broader perspective.

Free online CDR viewer supports over 186 file formats

The cloud-based viewer API for CDR has the ability to display different document formats quickly, with just a few lines of code. Using the SDK for Node.js you can find out about the various document formats supported by the SDK.

Extract document text while rendering in image mode

Our API allows extract text from documents

Programmatically get list of supported file types.

Use our REST API to get list of 186 supported document types.

Minify CDR Output Content

One of the most exciting features of our Cloud-based viewer API for CDR is its ability to minify the output content. Minification removes comments, extra white-spaces, and other unneeded characters without breaking the content structure. As a result, the page becomes smaller in size and loads faster.

Page navigation

The APIs offer intuitive page navigation features that allow users to navigate through document pages easily and efficiently.

GroupDocs.Viewer Cloud REST API Explorer

The easiest way to try out GroupDocs.Conversion Cloud API right away in your browser is by using GroupDocs Cloud Web API explorer, which is a collection of Swagger documentation for the GroupDocs Cloud APIs.It allows you to effortlessly interact and try out every single operation our APIs exposes.

Free Apps availability

Users can access and utilize FREE Apps for document viewing and annotation online, providing a convenient and cost-effective solution for accessing and interacting with document content.

Free Apps support show or hide document comments

API Allows to view and comments embedded inside supported documents types.

Wide range of document format support

GroupDocs.Viewer Cloud APIs and FREE Apps support a variety of document formats including PDF, Microsoft Office (Word, Excel, PowerPoint), AutoCAD, image files (PNG, JPEG), and more.

Online document viewing

Users can view documents online without the hassle of downloading them first, providing a convenient and efficient way to access and interact with document content.

Support and Learning Resources

Learning Resources

Product Support

Start Free Trial
Download GitHub Repository

View CDR using SDKs in other popular languages

View CDR Online via cURL or Free Online App GroupDocs.Viewer
Cloud for cURL

View CDR Online via Python or Free Online App GroupDocs.Viewer
Cloud SDK for Python

View CDR Online via PHP or Free Online App GroupDocs.Viewer
Cloud SDK for PHP

View CDR Online via .NET or Free Online App GroupDocs.Viewer
Cloud SDK for .NET

View CDR Online via Android or Free Online App GroupDocs.Viewer
Cloud SDK for Android

View CDR Online via Ruby or Free Online App GroupDocs.Viewer
Cloud SDK for Ruby

View CDR Online via Java or Free Online App GroupDocs.Viewer
Cloud SDK for Java

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