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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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Cascadeur
✓ verifiedFreemium
3D keyframe animation tool with AI posing and physics; strong for game and character work, with free, indie and pro licenses.
225K visits/mo2.7K saves
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Kapwing
✓ verifiedFreemium
Browser-based video editor with AI tools for creating, editing, subtitling, and repurposing content.
5.6M visits/mo
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PDF To Brainrot AI
✓ verifiedFreemium
Turns PDFs and pasted text into short TikTok-style meme videos aimed at students who want quicker, stickier study recall.
51K visits/mo7.9K saves
Pricing
No public pricing
No public pricing
Free trial available
No public pricing
Free: $0 (30 credits/day)
Basic: $9.90 one-time (100 credits)
Popular: $49 one-time (1000 credits)
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
- ✦AI AutoPosing for faster natural poses
- ✦AutoPhysics for realistic motion
- ✦Quick rigging and standard-skeleton support
- ✦Animation unbaking to make baked clips editable
- ✦Video motion capture and secondary motion
- ✦FBX/DAE/USD compatibility
- ✦Browser-based video editor
- ✦AI video generation from prompts
- ✦Auto subtitles and transcription
- ✦Dubbing and translation into 40+ languages
- ✦Repurpose long video into social clips
- ✦Text-to-speech and audio cleanup
- ✦Converts PDFs or pasted text into short meme-style study videos
- ✦Three output modes: quirky Brainrot, interactive Quiz, or plain Raw video
- ✦Selectable narrator voices with different accents and tones
- ✦Custom or library background music and video overlays
- ✦Works across any subject or document type
- ✦Fast turnaround, generating clips in seconds
- ✦Credit-based free daily allowance plus paid credit packs
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
- →Animate game and film characters
- →Clean up and edit motion-capture data
- →Retarget animations between characters
- →Editing videos without desktop software
- →Creating social-media clips
- →Adding captions and translations
- →Generating videos from text prompts
- →Team and marketing content creation
- →Cramming for exams with entertaining, memorable clips
- →Teachers producing engaging content for remote or online classes
- →Turning lecture notes or articles into shareable social-style videos
- →Corporate trainers making quirky training or onboarding clips
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