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

3.3 KiB

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 Imagen UI-1

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
  • 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:
    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
  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 file for full details.