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STL to AZW3 converter

Convert STL to AZW3 online from any device with a free converter.

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We have already processed 5,835,624 files with total size of 9,542,727 Mbytes

About CAD converter

Convert STL to AZW3 files online with our free CAD converter app. Whether you're on Windows 10, Mac, or iPhone, converting STL files is quick and easy.

Supported CAD file formats include DWG, DXF, IGES, STL. DWG and DXF are widely used for 2D/3D designs in AutoCAD, while STL is essential for 3D printing. Leading CAD software includes AutoCAD, SolidWorks, Fusion 360, SketchUp.

Simply change STL to AZW3 by uploading your document, choosing a target format, and clicking Convert. Your file will be ready to download instantly. No registration required.

Check our video
STL

Stereolithography

The STL file format is a widely used standard for representing 3D models, primarily in 3D printing and computer-aided design (CAD). It is supported by most CAD software, 3D modeling tools, and slicing programs like Cura, PrusaSlicer, and Simplify3D. The format stores surface geometry as a collection of triangular facets, defined by vertices and normals, but lacks advanced features like color, texture, or metadata, making it simple yet limited for complex applications.

AZW3

Kindle eBook format

AZW3 is an e-book file format developed by Amazon for use on Kindle devices and apps. It is supported by Kindle devices, the Kindle app, and tools like Calibre for conversion and management. The format is based on the MOBI structure but includes advanced features like enhanced typography, embedded fonts, and support for HTML5 and CSS3 for richer formatting and interactivity.

Add the conversion API to your app

  • Convert over 200 file formats — including PDF, Word, Excel, HTML, images, and many more
  • Load files from disk, URLs, FTP servers, or cloud storage (such as Amazon S3 or Azure)
  • Customize output settings — rotate and reorder pages, add comments, or apply watermarks
How it works

How to convert STL to AZW3

Step 1
Click inside the file drop area to upload STL file or drag & drop STL file.
Step 2
Click on Convert button. Your STL files will be uploaded and converted to AZW3 result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the AZW3 file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

You can also convert STL into many other file formats. Please see the complete list below.

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