Free browser-based STL file checker and conservative mesh repair tool
AI-powered converter that transforms 2D images into watertight 3D models ready for 3D printing
Stage
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Startup
Founded
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Pricing model
Freemium
Freemium
Pricing
Local checker: $0 / file. Private repair & export: pay as you go after launch with credits.
Free plan with welcome credits (no card required). Pro subscription: $19.90/month (500 credits/month). Max subscription: $29.90/month (1,000 credits/month). Pay-as-you-go credits: 200 credits for $12.90, 400 credits for $19.90, 800 credits for $32.90, 1,000 credits for $39.90 (never expires).
Key features
Local browser STL parsing of binary and ASCII files
Five core mesh issue detection families
Conservative repair preview for safe fixes
Mesh health score and detailed issue report
Sampled mesh projection visualization
JSON repair report download
File size limit up to 10 MiB
Triangle limit up to 100,000
AI image to STL conversion with multiple quality modes (Standard, Pro, Max)
Text to STL AI mode - generate models from text prompts
Real-time 3D inspection with 360-degree model rotation
Multi-format export (STL, GLB, OBJ)
Automatic metric calibration and flat-bed alignment
Free online STL viewer and 3D format converters
Multi-angle 3-view upload for 360-degree 3D reconstruction (Max plan)
Batch generation and bulk multi-STL export (Max plan)
What makes it different
No file upload required—all processing runs locally in your browser
Conservative repair approach with verified output before download
Free indefinitely for local browser checks
Clear boundary between what the tool fixes and what requires manual review
AI-powered reconstruction that creates full 360-degree watertight models instead of simple heightmaps
Guaranteed clean slicing - 100% manifold geometry with zero non-manifold errors
Millimeter-accurate metric scaling optimized for immediate slicing
Full commercial licensing - retain 100% ownership to sell prints on Etsy and Shopify
Creator-first privacy with no model training on private images
STLRepair
EasyToSTL