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STLFixer vs Paraplex

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

STLFixer compared with Paraplex
DetailSTLFixer logo STLFixerParaplex logo Paraplex
What it doesFree browser-based STL repair tool for 3D models AI 3D motion design studio for creating videos, animations and interactive web embeds in your browser
StageNot given Startup
FoundedNot given Not given
Based inNot given US
Pricing modelFree Freemium
PricingNot given Free: whole editor, 1080p video export with no watermark, 100 AI credits a month. Pro: $24 per month billed monthly or $19 per month billed yearly ($228 once a year), includes 4K and 60 fps video, batch export, path-traced renders and 1,500 AI credits a month.
Key features
  • Inspect 3D mesh geometry and measurements
  • Repair duplicate faces and degenerate triangles
  • Fix incorrect face orientation
  • Close small triangular holes
  • Handle selected self-intersections
  • Compare before and after repairs
  • Optional uniform scaling of models
  • Download repaired STL files
  • Process files up to 50 MB
  • Local browser processing with no file upload
  • AI assistant that builds editable scenes from text descriptions
  • Real 3D rendering with physically based materials including glass, chrome and liquid glass
  • Lighting rigs, HDR environments and realistic shadows and caustics
  • Keyframe timeline with easing, springs, motion paths and morphs
  • Advanced camera with depth of field, lens controls and camera moves
  • Text animation presets and kinetic typography synced to audio
  • Data-driven video variants and animated charts from spreadsheets
  • Multi-format artboards with social safe zones for all platforms
  • Interactive web embeds with scroll-driven animation and behaviors
  • Export to video, transparent video, images and USDZ for AR
What makes it different
  • Runs entirely in your browser with no file uploads to servers
  • Free with no account or subscription required
  • Open-source software under GPL-3.0-or-later license
  • Conservative repair approach preserving original design intent
  • Real-time before and after visualization of repairs
  • AI that shows its work: builds scenes as ordinary editable layers, not a locked blackbox
  • All 3D elements fully editable: every light, camera move, material and shader stays editable even after AI generation
  • Runs in browser with no install required, exports production-ready video instantly
  • Free tier with full editor and 1080p exports, no watermark
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)1319
Referring domains (Majestic)34

4 details filled in for both companies.

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