Empowering engineers and designers worldwide
At STP Viewer, we believe that accessing and viewing 3D models should be effortless, instant, and accessible to everyone. Our mission is to break down barriers in 3D file visualization and make professional-grade viewing tools available to all.
Our Values
What drives us forward
Built on a foundation of accessibility, innovation, and user-centricity
Our Mission
To democratize 3D file viewing by providing free, powerful, and accessible tools that work instantly in any web browser, anywhere in the world.
Our Vision
A world where every engineer, designer, and creator can instantly access and collaborate on 3D models without barriers or limitations.
Our Values
User privacy, open accessibility, continuous innovation, and building tools that just work when you need them most.
Operating Statistics
STP Viewer usage statistics
Real-time statistics showing our product usage
Max File Support
Monthly Active Users
Files Processed
Why Choose STP Viewer
The advantages that set us apart
Designed with simplicity, power, and reliability in mind
Simple & Intuitive
Drag, drop, and view. No complex installations or steep learning curves.
Professional Grade
Advanced 3D rendering with measurement tools and detailed analysis capabilities.
Universal Access
Works seamlessly across all devices and platforms through your web browser.
Privacy First
Your files are processed locally. We never store or share your 3D models.
Meet Our Team
The people behind STP Viewer
A passionate team dedicated to making 3D file viewing accessible to everyone
STP Viewer Team
Founders & Engineers
A dedicated team of engineers and designers passionate about making 3D technology accessible. We combine years of CAD experience with modern web technologies to create tools that truly serve our users.
Our Team Vision
We envision a future where 3D collaboration is as simple as sharing a web link, where geographic boundaries don't limit engineering collaboration.
Our Commitment
We're committed to keeping STP Viewer free, continuously improving based on user feedback, and maintaining the highest standards of privacy and security.
Testimonials
What our customers are saying
"STP Viewer has revolutionized how I review CAD files. No more installing heavy software - just drag, drop, and view instantly!"
John Smith
Mechanical Engineer
"Perfect for quick model reviews on the go. The browser-based approach means I can check designs anywhere without waiting for downloads."
Sarah Chen
Design Engineer
"Incredibly fast and reliable. The 3D rendering quality is impressive for a web-based tool. Saves me hours every week!"
Mike Rodriguez
Product Designer
"Finally, an STP viewer that doesn't require installation or registration. The interface is clean and the performance is excellent."
David Wilson
CAD Technician
"Essential tool for our team collaboration. We can share and review 3D models instantly without compatibility issues."
Lisa Park
Manufacturing Engineer
"Outstanding performance with large files. Our 50MB+ assemblies load smoothly and the viewing experience is seamless."
James Taylor
Engineering Manager
"STP Viewer has revolutionized how I review CAD files. No more installing heavy software - just drag, drop, and view instantly!"
John Smith
Mechanical Engineer
"Perfect for quick model reviews on the go. The browser-based approach means I can check designs anywhere without waiting for downloads."
Sarah Chen
Design Engineer
"Incredibly fast and reliable. The 3D rendering quality is impressive for a web-based tool. Saves me hours every week!"
Mike Rodriguez
Product Designer
"Finally, an STP viewer that doesn't require installation or registration. The interface is clean and the performance is excellent."
David Wilson
CAD Technician
"Essential tool for our team collaboration. We can share and review 3D models instantly without compatibility issues."
Lisa Park
Manufacturing Engineer
"Outstanding performance with large files. Our 50MB+ assemblies load smoothly and the viewing experience is seamless."
James Taylor
Engineering Manager
"Perfect for rapid prototype reviews. I can quickly share design iterations with clients and get instant feedback without software compatibility issues."
Emily Thompson
Industrial Designer
"Streamlined our quality inspection process. Being able to view STP files directly in the browser has eliminated the need for multiple CAD licenses."
Robert Zhang
Quality Engineer
"Game-changer for project coordination. Our distributed team can now view and discuss 3D models in real-time without expensive software installations."
Maria Garcia
Project Manager
"Invaluable for client presentations. I can showcase 3D models instantly during video calls without worrying about software compatibility issues."
Thomas Brown
Freelance Engineer
"Cross-platform compatibility at its finest. Works seamlessly across Windows, Mac, and Linux browsers - exactly what our diverse tech stack needed."
Jennifer Lee
Technical Lead
"The model analysis features are impressive. Being able to inspect geometry details and measurements directly in the browser saves tremendous time."
Kevin Martinez
3D Modeler
"Perfect for rapid prototype reviews. I can quickly share design iterations with clients and get instant feedback without software compatibility issues."
Emily Thompson
Industrial Designer
"Streamlined our quality inspection process. Being able to view STP files directly in the browser has eliminated the need for multiple CAD licenses."
Robert Zhang
Quality Engineer
"Game-changer for project coordination. Our distributed team can now view and discuss 3D models in real-time without expensive software installations."
Maria Garcia
Project Manager
"Invaluable for client presentations. I can showcase 3D models instantly during video calls without worrying about software compatibility issues."
Thomas Brown
Freelance Engineer
"Cross-platform compatibility at its finest. Works seamlessly across Windows, Mac, and Linux browsers - exactly what our diverse tech stack needed."
Jennifer Lee
Technical Lead
"The model analysis features are impressive. Being able to inspect geometry details and measurements directly in the browser saves tremendous time."
Kevin Martinez
3D Modeler
Start Viewing Your STP Files
Upload your .stp or .step files and start exploring your 3D models instantly. No registration required, completely free.