8 Best Free OBJ to STL Online Converter Websites

Here is a list of best free OBJ to STL online converter websites. OBJ or Object file is a type of 3D file format that carries 3D designs and their meshes, textures, and other elements. On the other hand, STL or stereolithography is a type of CAD file format that carries 2D and 3D designs and models. If you want to convert OBJ to STL without using any complex software or app, then check out these websites.

Using most of these websites, users can convert multiple OBJ files to STL at a time. On some websites, users can also preview the designs and models present in an OBJ file. Apart from STL, these websites can also convert OBJ files to DAE, FBX, STL, PLY, etc., 3D and CAD file formats. The process to convert OBJ to STL is quite simple on all these websites. Still, to help out new users, I have included the necessary conversion steps in the description of each website.

These websites also come with multiple additional online converters that may come in handy. Using additional file converters, users can convert Ebooks, Documents, Media Files, and Audio files of various formats. Go through the list to know more about these websites.

My Favorite OBJ to STL Online Converter Website:

AnyConv is my favorite website as it can batch convert OBJ files to STL format. Plus, a good set of additional online file converters are also provided by it.

You can also check out the lists of best free Online CAD Viewer, Online 3D Viewer, and Online DXF Viewer websites.

AnyConv

AnyConv is a free OBJ to STL online converter website. Using this website, users can convert multiple OBJ files to STL, DAE, FBX, STL, PLY, etc., formats. Plus, it can also be used to convert media, documents, eBooks, etc., files. Now, follow the below steps to convert OBJ to STL online using this website.

How to convert OBJ to STL online using AnyConv:

Go to this website using the given link.
After that, click on the Choose Files button to load one or more OBJ files.
Now, choose STL as the output file format.
In the end, click on the Convert button to start the conversion process.

Additional Features:

OBJ Converter: This section offers multiple OBJ file converters such as OBJ to DAE, OBJ to FBX, OBJ to GLTF, OBJ to PLY, and more.
Convert: This section contains many additional file converters such as Image Converter, Ebook Converter, CAD, Archive, and more.

Final Thoughts:

It is one of the best free OBJ to STL online converter websites through which users can convert one or more OBJ files to STL, FBX, STL, PLY, et., formats.

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ASPOSE

ASPOSE is another free OBJ to STL online converter website. This website offers many online tools one of which is the OBJ to STL converter. This online tool allows users to convert multiple OBJ files to STL format. Apart from STL, it can also convert OBJ files to 3DS, AMF, RVM, GLB, GLTF, etc., file formats. Now, follow the below steps.

How to convert OBJ to STL online using ASPOSE:

Go to this website and access the Online OBJ to STL Converter tool.
After that, drag and drop one or more OBJ files on its interface.
Next, select STL as the output file format.
In the end, hit the Convert Now button to start the conversion process.

Additional Features:

This website offers many online tools like File Viewer, Assets Extractor, Merger, Compression, Watermark, and more.

Final Thoughts:

It is another capable OBJ to STL online converter website that offers all the necessary tools to convert one or more OBJ files to STL at a time.

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makexyz.com

makexyz.com is an online 3D printing on demand website that can also be used as OBJ to STL online converter websites. This website can easily batch convert multiple OBJ files to STL. The process to convert OBJ to STL is also quite simple on this website. Now, check out the below steps to convert OBJ to STL online using this website.

How to convert OBJ to STL online using makexyz.com:

Go to this website using the given link.
After that, one or more OBJ files on its interface.
Lastly, use download options to download the output STL files.

Additional Features:

3D Printing: This website offers a 3D printing service that users can use to create physical 3D models using a design.

Final Thoughts:

It is a decent OBJ to STL online converter website that can also be used to print 3D models.

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3d-convert.com

3d-convert.com is yet another free OBJ to STL online converter website. This website comes with a dedicated OBJ to STL converter section that can convert one OBJ file to STL at a time. Although, it can also be used to convert OBJ files to DAE, PLY, and GLTF file formats. Now, follow the below steps to convert OBJ to STL online using this website.

How to convert OBJ to STL online using 3d-convert.com:

Go to this website using the home page link.
After that, load one OBJ file that you want to convert.
Now, press the Next button and choose STL as the output file format.
In the end, click on the Download button to download the output STL file.

Additional Features:

This website offers multiple CAD and 3D file formats like B3D, Q3S, X3D, PRJ, SCN, and more.

Final Thoughts:

It is another good OBJ to STL online converter website through which users can convert OBJ files to STL, DAE, PLY, etc., formats.

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miconv.com

miconv.com is another free OBJ to STL online converter website. This website can convert a large number of OBJ files to STL at a time. I also like its ability to convert OBJ files to 3DS, 3G2, AMR, PLT, PPSX, TIF, etc., formats. Now, check out the below steps.

How to convert OBJ to STL online using miconv.com:

Go to this website and choose OBJ as the input file format.
Next, click on the Choose Files button to load one or more OBJ files.
Now, go to the output format menu and choose STL format.
In the end, hit the Convert button to start the conversion process.

Additional Features:

Convert: This website offers many online tools sections like Image Converters, Document Converters, Spreadsheet Converters, Audio Converters., and more.

Final Thoughts:

It is another good OBJ to STL online converter website that anyone can use without much hassle.

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swiftconverter.com

swiftconverter.com is a free online file conversion website that can also be used as OBJ to STL online converter website. To perform the OBJ file conversion, it offers an online 3D file converter tool that allows users to convert OBJ as well as STL, 3DS, 3MF, OBJ, and PLY 3D files. Although, it cannot convert OBJ files larger than 100 MB size. Now, follow the below steps.

How to convert OBJ to STL online using swiftconverter.com:

Visit this website using the given link.
After that, drag and drop an OBJ file on its interface that you want to convert.
Now, choose STL from the Output Format menu.
In the end, hit the Convert File button to start the conversion process.

Additional Features:

Like most other similar websites, it also offers additional online converters such as Image Converter, Audio Converter, Document Converter, and more.

Final Thoughts:

It is another good and easy-to-use website that anyone can use to convert OBJ files to STL format with ease.

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imagetostl.com

imagetostl.com is the next free website to convert OBJ to STL online. As the name of this website implies, it is mainly designed to convert 3D and CAD files of various formats to STL. Some of the files that it can convert to STL apart from OBJ are 3DS, 3MF, DAE, FBX, and X3D. Unlike other similar websites, it also shows models and designs present in input OBJ files. Although, at a time, it can only convert one OBJ file to STL format. Now, check out the below steps to convert OBJ to STL online.

How to convert OBJ to STL online using imagetostl.com:

Go to this website and load an OBJ file.
Now, preview the model or design present in the input OBJ file.
Next, choose STL as the output format.
In the end, hit the download button to download the output STL file.

Final Thoughts:

It is another capable OBJ to STL online converter website that also shows the designs contained by an OBJ file.

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meshconvert.com

meshconvert.com is the last free website to convert OBJ to STL online. Through this website, users can convert one OBJ file to STL at a time. Plus, it can also fetch one an OBJ file from online sources using its URL. Plus, it is also capable of converting OBJ files to DAE, OBJ, and PLY file formats. Now, follow the below steps.