STL Viewer API for Android - Render 3D Model Files

STL is the Stereolithography format, created by 3D Systems for the first stereolithography printers and still the most common way to exchange 3D printable models. An STL file describes a model as a mesh of triangles, and normal document or image apps on Android cannot show it. The GroupDocs.Viewer Cloud REST API renders an STL model as HTML pages, as a PDF, or as JPG and PNG images, so your app can show a preview without a 3D engine on the device.

Both Maven and Gradle serve the Android SDK for Java, and its samples cover the main calls. Thumbnails give users a quick look at a model library, and the rendered output carries zoom and page navigation as well. STL sits beside more than 180 other supported formats, so the same code path also opens drawings and documents.

To inspect a single model before printing, load it into the free GroupDocs.Viewer online app and look at it in the browser. The API Explorer accepts your own model as a test request, and a free trial is available.


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

STL Viewer API for Android - Render 3D Model Files

View STL and other Popular Formats for Free

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How to view STL file online

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

Frequently Asked Questions

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.

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.

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.

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

Check our Cloud SDKs at GitHub if you are looking for the source code to view STL 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.

What does an Android app need to preview an STL model?

A view request and the Java SDK. Add the SDK from Maven, upload the model to storage, and the service replies with HTML or image pages that any device can display.

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.

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.

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 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.

Stereolithography File (STL) Viewer REST API

View STL as HTML5

STL REST APIs are secured and require authentication

Rotate, reorder & watermark STL pages

Render STL files using a single API call

View STL as PDF

View STL with its attachments

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

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

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

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.

Show or hide document headers and footers

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

Printing support

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

Free Apps support show or hide document comments

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

Text selection

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

Render STL files to remote FTP or Cloud storage

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

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

Flexible Rendering of STL 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 STL 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.

Free online STL viewer supports over 186 file formats

The cloud-based viewer API for STL 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.

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.

Programmatically get list of supported file types.

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

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.

Self-host STL Cloud Viewer Free App

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

Free Alternative to Desktop & Mobile STL Viewer Apps

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

Minify STL Output Content

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

Extract document text while rendering in image mode

Our API allows extract text from documents

Page navigation

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

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.

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.

Support and Learning Resources

View STL using SDKs in other popular languages

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