Convert your OBJ 3D models to STL format using our free online tool. Transform Wavefront OBJ files into STL (Stereolithography) while maintaining geometry information. No Signup Required.
The OBJ format was developed by Wavefront Technologies in the 1980s and has become one of the most widely supported 3D file formats.
The STL format (Stereolithography) was developed by 3D Systems in the late 1980s for their stereolithography machines and has become the standard for 3D printing.
STL files can be stored as either ASCII or binary, with binary being more compact and commonly used for 3D printing applications.
This conversion is especially useful for 3D printing, rapid prototyping, and applications that require a simple mesh representation optimized for manufacturing.
Converting OBJ to STL involves extracting the geometry information (vertices and faces) from the OBJ file and reformatting it to the STL structure.
The process requires triangulating the OBJ file's polygonal faces and calculating surface normals needed for the STL format.
Our converter uses advanced algorithms to ensure accurate translation of geometric structures from OBJ to STL format with minimal loss of detail.
The STL format is particularly valuable for 3D printing and manufacturing applications due to its simple triangular mesh representation that most slicing software can process efficiently.
Leading choice for conversions - preserves geometric fidelity with accurate vertex mapping and face structure. Files are processed securely and deleted after 20 minutes.
Preserves mesh accuracy with high precision triangulation. Ideal for 3D printing applications and manufacturing projects requiring watertight STL models.
An online OBJ to STL converter allows you to quickly transform 3D models between formats without installing specialized software. It's convenient for converting models from any device with a browser.
Our converter maintains the original geometry. The STL format (Stereolithography) supports both the geometry and appearance of 3D objects and is widely used for 3D printing and rapid prototyping.
Conversion time depends on the model size and complexity. Most conversions complete within a few minutes.
Yes, we prioritize your privacy. Your files are securely stored on our servers and automatically deleted after 24 hours to ensure complete privacy and security.
Yes, our OBJ to STL converter is completely free to use without any hidden charges. You just need to create an account to get started.
Your model data is temporarily stored on our secure servers and automatically deleted after 24 hours for your convenience and privacy.
The maximum OBJ file size limit for conversion is 100MB.