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FixSTL
Verified
Free in-browser STL checker and fixer: finds holes, non-manifold edges and flipped normals, applies conservative repairs, and never uploads your file.
Quick facts
- Link
- fixstl.ai
- Homepage title
- STL Repair Online — Free STL File Fixer & Checker | FixSTL
- In its own words
- Free STL repair online: check holes, non-manifold edges and flipped normals, apply safe fixes and download the result. Runs in your browser, no sign-up.
- On its homepage
- Not ready to print
- Ready when you are.
- 528 bad edges. None after repair.
- What the check finds
- 57 / 131
- Your slicer said something
- STL repair guides
- STL repair FAQ
- Type
- Browser extension
- Category
- Software and technology
- Tags
- Design
- Files and documents
- Pricing hints
- Free plan
How this listing was checked
Submitted by its maker, who confirmed an email address on its own domain on Monday 9 November 2026. Its website was last read on Monday 9 November 2026.
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