View OTS Online via cURL or Free Online App

GroupDocs.Viewer Cloud is a cloud-based document viewer and rendering service for OTS. It enables users to display and view various document formats like, including PDF, Microsoft Word, Excel, PowerPoint, and more, within their applications or websites. This eliminates the need for users to install additional software or plugins to view documents.

With GroupDocs.Viewer Cloud, users can access features like zooming, paging, searching, and text selection within the displayed documents. It supports rendering options, allowing users to specify particular pages to render, generate document thumbnails, or even render documents as images.

The service provides REST APIs and SDKs that developers can utilize to integrate GroupDocs.Viewer Cloud into their applications or websites. These APIs are available for different programming languages and platforms, making it convenient for developers to implement document viewing capabilities in their desired environments.

GroupDocs.Viewer Cloud simplifies the process of document viewing and rendering of OTS files, enabling seamless integration of document viewing functionality into various applications or websites.


  • View OTS Online via Ruby or Free Online App
  • View OTS Online via Python or Free Online App
  • View OTS Online via Java or Free Online App
  • View OTS Online via .NET or Free Online App
  • View OTS Online via Android or Free Online App
  • View OTS Online via Node.js or Free Online App
  • View OTS Online via PHP or Free Online App

View OpenDocument Spreadsheet Template (OTS) file via cURL

View OTS and other Popular Formats for Free

CSSJP2AS3SXCOBJEMZOXPSWMFXLTMMAKEWEBPPSPSD1EMLDOTXSVGZMEMFPNGXPSTARPSDPS1OTTPPTXPCLDCMBATODGPSTGROOVYPPSYAMLJPCDGNAPNGJPFGIFTGASCRIPTMBOXODTTIFFAIDOCMSCMMPPCMAKEDWGTXZVSDPSBCDRXZDOCDWFSHPPSXMDHEMLXBMPDOTMLOGEPUBDWTVIMGZIPVSSMTAR.XZGZXLSMPXRBLESSJLSASMTIFCXXJ2CMLPPSMXLSMCVCFSCALAMPTDJVUPSM1RTFEPSVSTXFODGXLTXSTLOSTJPGDOCXZIPPYSQLJPXSVGOTSHTMOTGIFCONEPPTMBZ2VSDXJSDIFFSASSVSSXJ2KPPTTEXTSVPROPERTIESHAMLCSVIGSVSSXMLICONSFTGZCMXJAVAJPMSMLXLTPLTPDFRARVSTVTXHTMLDIBMOBIDNGPLPOTMWMZMSGCCCHMPOTFODPJSONDXFFODSPOTXERBCF2VDWCSODSVSTMMHTMLVDXMMVSDMXLAMASXLSXCGMVSXNUMBERSXMLXLSBJPEGMHTTXTOTPHPGRSTDOTCPP7ZVBPHPTAR.GZODPHH

How to view OTS file online

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

Frequently Asked Questions

I do not want to upload my confidential OTS 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 OTS Free Viewer App and REST APIs.

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.

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

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

Can I try OTS online viewer for free?

GroupDocs.Viewer Cloud App is completely free. You can view as many OTS 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.

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.

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.

OpenDocument Spreadsheet Template (OTS) Viewer REST API

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

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

OTS REST APIs are secured and require authentication

Rotate, reorder & watermark OTS pages

View OTS with its attachments

View OTS as HTML5

View OTS as PDF

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

Minify OTS Output Content

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

Render OTS files to remote FTP or Cloud storage

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

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

Extract document text while rendering in image mode

Our API allows extract text from documents

Free Apps support show or hide document comments

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

Self-host OTS Cloud Viewer Free App

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

Programmatically get list of supported file types.

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

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

Free online OTS viewer supports over 186 file formats

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

Show or hide document headers and footers

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

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 Alternative to Desktop & Mobile OTS Viewer Apps

GroupDocs.Viewer Cloud app does not need any installation or setup to view OTS. 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

View OTS using SDKs in other popular languages

  English