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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.
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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
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Depositphotos AI image generator
✓ verifiedPaid
Depositphotos' text-to-image tool that creates licensable images with model, aspect-ratio and style controls.
6.4M visits/mo
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AI invitation generator
✓ verifiedFreemium
AI invitation generator from Greetings Island for custom invites, cards and save-the-dates across occasions.
2.0M visits/mo785 saves
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123RF
✓ verifiedPaid
Royalty-free stock photo, video, and audio library paired with an AI suite for generating, upscaling, and editing images.
5.9M visits/mo
Pricing
No public pricing
No public pricing
No public pricing
No public pricing
Free trial available
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
- ✦Text-to-image generation
- ✦Selectable AI models
- ✦Aspect-ratio options
- ✦Style presets (photography, art, auto)
- ✦Image reference upload
- ✦Licensable output
- ✦AI-generated invitations and greeting cards
- ✦Large theme library across occasions
- ✦Photo upload and custom design
- ✦'Magic invite' AI creation and message composer
- ✦Save-the-dates, RSVP and announcement cards
- ✦293M+ royalty-free stock assets
- ✦Photos, vectors, video, audio, and fonts
- ✦AI image generator and upscaler
- ✦Generative fill and background tools
- ✦Search by image
- ✦Commercially safe licensing
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
- →Creating custom stock-style imagery
- →Generating art or photo-style visuals
- →Producing licensed images for commercial use
- →Iterating on visual concepts
- →Making invitations for weddings and parties
- →Creating birthday and baby-shower cards
- →Designing save-the-dates and announcements
- →Producing business event invites
- →Licensing stock media for marketing and design
- →Generating and editing images with AI
- →Sourcing commercially safe visuals in one place
- →Upscaling or extending existing images
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