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3D Converter vs SpinShare

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

3D Converter compared with SpinShare
Detail3D Converter logo 3D ConverterSpinShare logo SpinShare
What it doesFree, private, and secure online 3D model conversion Fast, private, offline file converter for Windows
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree plan: Unlimited browser-local mesh workflows, 5 cloud credits per month, 50 MB per cloud file. Pro plan: $9.9/month for 100 cloud credits per month, STEP and IGES cloud conversion, 100 MB effective cloud file limit. Free with 5 free conversions. Paid plans: Founder Pass $1.99, Early Bird $3.99, Launch Special $5.99, Pro Pass $9.99, Standard Lifetime $14.99 (one-time purchase for lifetime license covering up to 3 PCs)
Key features
  • Browser-local processing for STL, OBJ, PLY, GLB, and glTF formats
  • Before-and-after validation with quality reporting
  • 3D viewer for model inspection before conversion
  • Dependency-aware package handling for MTL and image files
  • Format loss documentation showing what each conversion preserves
  • Cloud conversion for STEP and IGES formats
  • Support for up to 100 MB local files
  • Conversion history retention on Pro plan
  • Batch processing up to 20 files on Pro plan
  • No account required for local conversions
  • 300+ conversion options across images, video, audio, PDFs, documents, archives and subtitles
  • 35 advanced file tools including crop, compress, trim, split, merge and redact
  • 6 file actions: Copy, Copy path, Move to, Copy to, Terminal and Show
  • Drag-and-drop interface with keyboard shortcuts
  • All conversions run locally on your PC with no internet required
  • No sign-up required
  • Works with folders and mixed file selections
  • Lifetime license covers up to 3 PCs
What makes it different
  • No file upload required - all conversions happen locally in your browser
  • Detailed before-and-after reports showing exactly what changes in conversion
  • Transparent documentation of format capabilities and data loss
  • Free tier with unlimited local conversions, no sign-up needed
  • Keeps referenced files together with automatic dependency resolution
  • Fully offline processing—files never leave your PC
  • No sign-up, no queue, no conversion limit tracking uploaded to servers
  • One-time lifetime purchase rather than subscription
  • Combines file conversion with 35 built-in tools in a single application
Community votes00
DR (Domain Rating by Ahrefs)15 −4 (down) since last check6 no change since last check
Trust Flow (Majestic)275
Citation Flow (Majestic)3317
Referring domains (Majestic)296

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