Open RTF Files on Android - Free Online RTF Viewer

The Rich Text Format is one of the oldest document formats still in daily use. Microsoft introduced it in 1987 to move formatted text between word processors, and legal offices, government agencies and older systems still send .rtf files today. An .rtf attachment on an Android phone often opens in an app that shows raw control codes instead of the document.

The free GroupDocs.Viewer online app reads the file properly. Load the RTF document into it from a mobile browser, and the text appears with its original formatting. You can zoom, move through pages and check the content before forwarding it.

Developers who need RTF support inside an Android product can use the GroupDocs.Viewer Cloud REST API. It returns a document as HTML, as PDF, or as JPG and PNG images, and the Java SDK that wraps it is a Maven or Gradle dependency with working code samples. Evaluation is easy: the API Explorer answers live requests, a free trial is available, and more than 180 formats go through the same route.


  • View RTF Online via Python
  • View RTF Online via .NET
  • View RTF Online via Go
  • View RTF Online via Ruby
  • View RTF Online via Java
  • View RTF Online via Node.js
  • View RTF Online via PHP
  • View RTF Online via cURL

Open RTF Files on Android - Free Online RTF Viewer

View RTF and other Popular Formats for Free

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How to view RTF file online

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

Frequently Asked Questions

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.

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

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

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.

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.

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.

What is the quickest way to add RTF previews to an Android app?

Add the Java SDK as a Gradle dependency, send the .rtf file to cloud storage, and request a rendered view. GroupDocs.Viewer Cloud replies with HTML or with page images, both ready for display on a phone screen.

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.

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.

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.

Rich Text Format File (RTF) Viewer REST API

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

Render RTF files using a single API call

Rotate, reorder & watermark RTF pages

RTF REST APIs are secured and require authentication

View RTF as PDF

View RTF as HTML5

View RTF with its attachments

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

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

Programmatically get list of supported file types.

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

Render RTF files to remote FTP or Cloud storage

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

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

Page navigation

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

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.

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.

Show or hide document headers and footers

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

Minify RTF Output Content

One of the most exciting features of our Cloud-based viewer API for RTF 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.

Flexible Rendering of RTF 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 RTF for the whole document, page by page or custom range of pages.

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.

Printing support

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

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.

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.

Text selection

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

Free Apps support show or hide document comments

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

Self-host RTF Cloud Viewer Free App

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

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.

Extract document text while rendering in image mode

Our API allows extract text from documents

Free online RTF viewer supports over 186 file formats

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

Free Alternative to Desktop & Mobile RTF Viewer Apps

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

Support and Learning Resources

Learning Resources

Product Support

Start Free Trial
Download GitHub Repository

View RTF using SDKs in other popular languages

View RTF Online via Python GroupDocs.Viewer
Cloud SDK for Python

View RTF Online via .NET GroupDocs.Viewer
Cloud SDK for .NET

View RTF Online via Go GroupDocs.Viewer
Cloud SDK for Go

View RTF Online via Ruby GroupDocs.Viewer
Cloud SDK for Ruby

View RTF Online via Java GroupDocs.Viewer
Cloud SDK for Java

View RTF Online via Node.js GroupDocs.Viewer
Cloud SDK for Node.js

View RTF Online via PHP GroupDocs.Viewer
Cloud SDK for PHP

View RTF Online via cURL GroupDocs.Viewer
Cloud for cURL

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