Free Online FBX to STL Converter

You can use our FBX to STL conversion tool to quickly and easily convert your 3D model files for free. You may upload up to 20 files at one time, and our batch FBX to STL converter will process each 3D model and present you with a download link for each file once completed.

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your FBX file, once uploaded to our server, will be deleted 15 minutes after upload, so please download your converted FBX file before this time.

Our 3D model FBX to STL tool will load your FBX file and, where supported, attempt to extract all the relevant 3D features, such as geometry, textures, and animations. To access the 3D conversion configuration options, click the button when you have selected your files. The current options support the ability to voxelize your 3D model and more.

How to Convert your FBX to STL Online?

Here are two simple steps to convert your FBX to STL using our fast and free FBX converter tool.

Upload your FBX file

Click the "Upload a FBX File" button, then select a FBX to upload. The maximum file size is 100MB.

Download your STL

Click the download link to receive your STL file.

Frequently Asked Questions

How can I convert my FBX file to STL?

First, click the "Upload..." button and select your FBX file to upload. Your FBX file will be uploaded to our servers. When the FBX to STL conversion has completed, you can download your STL file right away.

How long does it take to convert my FBX to STL?

We aim to process all FBX to STL conversions as quickly as possible; this usually takes around 5 seconds; however, this can be longer for certain files, so please be patient.

How accurate is the FBX to STL conversion?

We aim to provide the best conversion experience. Our tools are under constant review and development, with new features being added every week.

File format information for FBX and STL

ExtensionFBX
Full NameAutodesk Filmbox
Type3D Model
Mime Typeapplication/octet-stream
FormatText
Opens WithBlender, MeshLab

FBX files are an open 3D file format developed by Autodesk for use with their Maya and 3Ds Max applications. An FBX file may contain any number of 3D objects, their associated geometry, materials, textures, animations, and more, all within a single convenient package.

The content of an FBX file is a mix of binary and ASCII text, producing a format that is both human-readable and compact. Due to their compact size, ease of use, and widespread support, FBX files are a popular choice for creating 3D animations and are also a staple in the videogame development scene.

The development of the FBX format continues to this day, with new features being included in each release. Along with being used within Autodesk's own editing solutions, FBX files can also be opened and edited in other popular 3D modeling applications, such as Blender.

FBX Converter Capabilities

When converting 3D model or mesh files using our FBX converter, we will attempt to convert color materials into a suitable format for use in the converted file.

ExtensionSTL
Full NameStandard Triangle Language
Type3D Model
Mime Typeapplication/vnd.ms-pki.stl
FormatText
Opens WithBlender, MeshLab, CAD Assistant, DAZ Studio

The STL, or Standard Triangle Language, file format has been around since the '80s and is supported by most modern 3D modeling applications. In particular, the STL format has become something of a standard format within the area of 3D printing, despite the rise of more modern formats such as 3MF.

STL files come in two flavors: binary or text format. The text format is human-readable, making it easy to perform manual edits, but can lead to very large file sizes. As you can imagine, the binary format is much more compact and represents the majority of the STL files you are likely to encounter.

The format itself is very simple; the 3D model is represented by a sequential list of triangles, with each triangle defined with 3 points consisting of their X, Y, and Z positions, along with an additional vector that contains the face normal (the direction the face is pointing). There is an additional attribute block for each triangle; however, this is largely unused and thus unsupported.

STL Converter Capabilities

When converting your FBX to STL, our tool will attempt to accurately convert any color or material information.

Information for converting from FBX to STL

Your FBX file will be converted to a STL file using our unified 3D model and mesh conversion tool. Our FBX 3D tool performs accurate conversions of 3D elements such as vertices, faces, normals, and relevant material information. As both FBX and STL support color material information, our tool will also attempt to convert the color information.

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