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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

3DPEA logo
3DPEA
✓ verifiedFree

Free online tool that converts PNG images into 3D-printable STL models, part of 3DPEA's wider file-conversion suite.

174K visits/mo
Spline logo
Spline
✓ verifiedFreemium

Browser-based collaborative 3D design tool for building and exporting interactive 3D/2D experiences to web, iOS and Android.

818K visits/mo12K saves
Prezi logo
Prezi
✓ verifiedFreemium

AI presentation generator that turns a brief or existing files into an editable, on-brand deck with Prezi's signature zooming format.

9.2M visits/mo5.8K saves
Civitai logo
Civitai
✓ verifiedFreemium

Community hub for sharing and generating AI art models, centered on Stable Diffusion, with paid memberships.

7.5M visits/mo
Reve Image logo
Reve Image
✓ verifiedFreemium

Web app for Reve's plan-then-render AI image generator, built for precise, editable, agent-friendly image creation.

1.1M visits/mo
Pricing

No public pricing

Free: $0/month (limited files, watermarked web exports)
Starter: $12/seat/month billed annually or $15/month billed monthly (unlimited files, no watermark)
Professional: $20/seat/month billed annually or $25/month billed monthly (video/code export, unlimited variables/APIs), plus optional AI add-on at +$5/seat/month for 2,000 AI credits

No public pricing

No public pricing

No public pricing

Core features
  • PNG-to-STL conversion via pixel height mapping
  • Standard and extrude (with color) conversion modes
  • Controls for size, resolution, border and thickness
  • Color merging, smoothing and transparency handling
  • Supports many other image and 3D format conversions
  • No file storage; runs in the browser on any OS
  • Real-time collaborative 3D editor with primitives and modeling tools
  • Layer-based materials and a ready-made material library
  • Interactivity/animation via states, events and physics
  • Multi-platform export to web, iOS and Android
  • 2D design canvas (Hana) with vector networks and effects
  • AI 3D generation, texture generation and style transfer add-on
  • Variables, APIs and webhooks for dynamic data
  • Conversational AI deck generation
  • Import of existing files as a starting point
  • Automatic brand-guideline application
  • Conversational and direct slide editing
  • Team collaboration and sharing controls
  • Export to PPTX, PDF or web link with classic or zooming presentation modes
  • Library of shared AI art models
  • On-site image, video, and 3D generation
  • Community galleries and challenges
  • Buzz credit system for generation
  • Creator memberships with extra perks
  • API access
  • Separate planning and rendering stages for controllable output
  • Editable, code-based intermediate layout representation
  • Agent-native design enabling AI agents to edit compositions
  • Accurate rendering of in-image text and typography
  • High-resolution (4K) image generation
  • Lossless, iterative editing of generated images
Use cases
  • Turning logos or images into 3D-printable models
  • Creating custom reliefs and lithophane-style prints
  • Prototyping simple 3D objects from 2D artwork
  • Converting between assorted image and 3D formats
  • Designers adding interactive 3D elements to websites
  • Product teams prototyping 3D UI or product visualizations
  • Brand/marketing teams creating animated 3D visuals
  • Agencies building AR/XR or gamified web experiences
  • Business teams needing quick brand-compliant decks
  • Marketers converting existing documents into presentations
  • Sales and training teams standardizing presentation design
  • Downloading Stable Diffusion models
  • Generating AI art in the browser
  • Sharing and showcasing creations
  • Discovering community models and prompts
  • Producing marketing or social visuals with accurate embedded text
  • Building AI agent workflows that generate and edit images
  • Iterating on image composition via an editable layout
  • Creating high-resolution, print-ready generated imagery
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