We use advanced algorithms to maintain the highest possible quality. Quality settings let you control the output fidelity.

Free users can convert STL files up to 10 MB. Pro plan supports up to 200 MB, and Business plan supports up to 500 MB per file.

Yes! Our converter is fully mobile-responsive. Convert STL to DWF on iPhone, Android, or any mobile device with a web browser.

STL has some limitations: No color/texture, Triangulated only, Large files. Converting to DWF can help overcome some of these limitations.

Absolutely. All uploads are encrypted with SSL/TLS, processed on secure servers, and automatically deleted within 24 hours. We never share or access your files.