A production-ready Instagram Grid Carousel Maker with a Pinterest-inspired aesthetic. Create stunning carousel posts with prebuilt collage templates, drag-and-drop functionality, and AI-powered features.

• Template System: JSON-based prebuilt collage templates with Pinterest-style masonry grid gallery
• Canvas Editor: 3050x1350 canvas with drag-and-drop image placement
• Image Editing: Scale, crop, position images with snap-to-grid functionality
• Export System: Slice into 3 equal 1080x1350 images, download as PNG or ZIP
• Project Management: Save and load projects with autosave and backend sync
• AI Features: Face detection auto-crop, background removal, smart layout suggestions
• Cross-Platform: Web app and desktop application (Tauri)

• Next.js 14 (App Router)
• TailwindCSS
• Framer Motion
• react-konva (canvas editor)
• Zustand (state management)

• Python FastAPI
• PostgreSQL
• OpenCV (face detection)
• rembg (background removal)

• Rust + Tauri

carousify/
├── web/                     # Next.js frontend
│   ├── app/                 # App router pages
│   ├── components/          # React components
│   ├── lib/                 # Utilities and helpers
│   ├── store/               # Zustand stores
│   └── styles/              # Global styles
├── backend/                 # FastAPI backend
│   ├── app/                 # Application code
│   ├── services/            # Business logic
│   ├── models/              # Database models
│   └── routes/              # API routes
├── desktop/                 # Rust Tauri app
│   ├── src/                 # Rust source
│   └── tauri.conf.json      # Tauri config
├── shared/
│   ├── templates/           # JSON templates
│   └── types/               # TypeScript types
├── README.md
├── LICENSE
└── .gitignore

• Node.js 18+
• Python 3.10+
• PostgreSQL 14+
• Rust (for desktop app)

cd web
npm install
npm run dev

Create .env.local:

NEXT_PUBLIC_API_URL=http://localhost:8000
NEXT_PUBLIC_SUPABASE_URL=your_supabase_url
NEXT_PUBLIC_SUPABASE_ANON_KEY=your_supabase_key

cd backend
python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate
pip install -r requirements.txt
uvicorn app.main:app --reload

Create .env:

DATABASE_URL=postgresql://user:password@localhost:5432/carousify
SUPABASE_URL=your_supabase_url
SUPABASE_KEY=your_supabase_key
SECRET_KEY=your_secret_key

cd desktop
cargo install tauri-cli
cargo tauri dev

• POST /api/auth/register - User registration
• POST /api/auth/login - User login
• GET /api/auth/me - Get current user

• GET /api/projects - List user projects
• POST /api/projects - Create new project
• GET /api/projects/{id} - Get project by ID
• PUT /api/projects/{id} - Update project
• DELETE /api/projects/{id} - Delete project

• GET /api/templates - List all templates
• GET /api/templates/{id} - Get template by ID

• POST /api/export/slice - Slice image into carousel format
• POST /api/export/zip - Export as ZIP file

• POST /api/ai/auto-crop - Face detection auto-crop
• POST /api/ai/remove-bg - Background removal

Templates are defined in JSON format:

{
  "id": "template-001",
  "name": "3 Panel Grid",
  "layout": "3-panel",
  "slots": [
    {"x": 0, "y": 0, "width": 1016, "height": 1350},
    {"x": 1017, "y": 0, "width": 1016, "height": 1350},
    {"x": 2034, "y": 0, "width": 1016, "height": 1350}
  ]
}

1. Fork the repository
2. Create a feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'feat: add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

MIT License - Copyright (c) 2026 Manav Arya

Manav Arya