Files
imagen-openrouter/README.md
T
Yusuf İpek 45f09260f9 feat: Initial release of Imagen - AI Image Generation Tool
A client-side AI image generation tool using OpenRouter API.

Features:
- Multi-model support (Gemini, GPT-5, Flux 2, Seedream, Riverflow)
- Unlimited reference image uploads with drag & drop
- IndexedDB storage for persistent image gallery
- Adjustable resolution (1K/2K/4K) and aspect ratios
- Batch generation (up to 8 images)
- Custom styled dropdown for model selection
- Gallery with delete functionality on hover
- Full image modal with metadata and recreate option
- XSS protection with input sanitization

Tech Stack:
- Pure HTML/CSS/JavaScript (no dependencies)
- IndexedDB for image persistence
- OpenRouter API integration

License: GPL-3.0
2026-01-20 22:16:37 +03:00

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# Imagen - AI Image Generation Tool
A powerful client-side AI image generation tool using OpenRouter API. Generate thumbnails, artwork, and creative images with multiple state-of-the-art models.
![Imagen UI](UI.webp)
![Imagen UI-1](UI-1.webp)
## ✨ Features
### 🎨 Multi-Model Support
- **Gemini 2.5 Flash Image** - Google's fast image generation
- **Gemini 2.5 Flash (Preview)** - Preview version with latest features
- **Gemini 3 Pro (Preview)** - Advanced model, up to 14 reference images
- **GPT-5 Image** - OpenAI's latest image model
- **GPT-5 Image Mini** - Faster, smaller GPT-5 variant
- **Flux 2 Pro / Max / Flex / Klein** - Black Forest Labs models
- **Seedream 4.5** - ByteDance's image model
- **Riverflow V2** - Fast/Standard/Max variants
### 📐 Flexible Output Options
- **Resolution**: 1K, 2K, 4K (Gemini models)
- **Aspect Ratios**: 1:1, 16:9, 9:16, 4:3, 3:4, 3:2
- **Batch Generation**: Up to 8 images at once
### 🖼️ Reference Image Support
- Upload unlimited reference images
- Drag & drop support
- Use generated images as references
- Click X to remove individual references
### 💾 Persistent Storage
- **IndexedDB storage**
- Store hundreds of images
- Images persist across browser sessions
### 🎯 Gallery Features
- View all generated images
- Delete individual images (hover to reveal 🗑️ button)
- Click any image for full view + metadata
- Clear entire gallery option
### ♻️ Recreate Feature
- Click any image to restore its original settings
- Instantly iterate on previous generations
## 🚀 Quick Start
1. Clone this repository
2. Start a local server:
```bash
python3 -m http.server 8080
# or
npx serve .
```
3. Open http://localhost:8080
4. Enter your OpenRouter API key
5. Write a prompt and click Generate!
## 🔑 Getting an OpenRouter API Key
1. Go to [OpenRouter](https://openrouter.ai/)
2. Create an account
3. Navigate to **Keys** section
4. Create a new API key
5. Copy and paste it into the tool
## 🔒 Privacy & Security
This is a **100% client-side application**:
- ✅ API keys are stored in YOUR browser only
- ✅ Generated images are stored in YOUR browser only (IndexedDB)
- ✅ No data is sent to any server except OpenRouter API
- ✅ Safe to deploy as a static website
## ⌨️ Keyboard Shortcuts
| Shortcut | Action |
|----------|--------|
| `Ctrl + Enter` | Generate images |
| `Escape` | Close image modal |
## 🛠️ Tech Stack
- **Frontend**: Pure HTML/CSS/JavaScript (no dependencies)
- **API**: OpenRouter for model access
- **Storage**: IndexedDB for image persistence
- **Styling**: Custom CSS with CSS variables
## 📁 Project Structure
```
imagen/
├── index.html # Main UI structure
├── styles.css # Premium dark theme styling
├── app.js # Core logic + API integration
└── README.md # This file
```
## 📜 License
This project is licensed under the **GNU General Public License v3.0** (GPL-3.0).
You are free to:
- ✅ Use this software for any purpose
- ✅ Study how the software works and modify it
- ✅ Distribute copies of the software
- ✅ Distribute modified versions
Under the condition that:
- 📋 You include the original license and copyright notice
- 📋 You disclose the source code when distributing
- 📋 Modified versions must also be licensed under GPL-3.0
See the [LICENSE](LICENSE) file for full details.