Convert OBJ to STL — Free
Upload your OBJ file and get a STL in seconds. No account, no watermark.
How to convert OBJ to STL
Need to convert an OBJ file to STL? BoltConverter offers a free and fast online solution. Easily transform your 3D models for 3D printing, CAD software, or other uses.
Your files are processed securely on our servers and automatically deleted immediately after conversion, ensuring your privacy. There is no software to install, just upload and convert.
Upload OBJ File
Click 'Choose File' to select the OBJ file you want to convert from your device.
Start Conversion
Click the 'Convert' button to begin the OBJ to STL conversion process.
Wait for Processing
Allow BoltConverter a moment to process your file on our secure servers.
Download STL File
Once complete, click 'Download' to save your new STL file to your computer.
Frequently asked questions
Is BoltConverter free to use?
Yes, BoltConverter is completely free for all OBJ to STL conversions, with no hidden costs or subscriptions.
How long are my files stored?
Your files are processed server-side and deleted immediately after conversion. We do not store your files.
Is there a file size limit for conversions?
Yes, the maximum file size for converting OBJ to STL on BoltConverter is 100 MB.
What about the output quality of the STL file?
BoltConverter aims to provide high-quality STL files, maintaining the integrity and detail of your original OBJ model.
Can I convert multiple OBJ files at once?
Currently, BoltConverter supports converting one OBJ file to STL at a time. Please process files individually.