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https://github.com/yusufipk/imagen-openrouter.git
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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
This commit is contained in:
Yusuf İpek
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Imagen</title>
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<link rel="stylesheet" href="styles.css">
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<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">
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</head>
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<body>
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<div class="app-container">
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<!-- Sidebar -->
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<aside class="sidebar">
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<div class="sidebar-header">
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<h1 class="logo">🎨 Imagen</h1>
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</div>
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<!-- Reference Images Section -->
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<div class="reference-section">
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<h3>Reference Images</h3>
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<div class="reference-slots" id="referenceSlots">
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<!-- Slots rendered dynamically by JS -->
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</div>
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<button class="btn btn-ghost" id="clearReferences">Clear All References</button>
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</div>
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<!-- Model Selection -->
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<div class="config-section">
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<h3>Model</h3>
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<div class="custom-select" id="modelSelectContainer">
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<div class="custom-select-trigger" id="modelSelectTrigger">
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<span id="modelSelectValue">Gemini 2.5 Flash Image</span>
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<span class="custom-select-arrow">▾</span>
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</div>
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<div class="custom-select-options" id="modelSelectOptions">
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<div class="custom-select-option selected" data-value="google/gemini-2.5-flash-image">Gemini 2.5
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Flash Image</div>
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<div class="custom-select-option" data-value="google/gemini-2.5-flash-image-preview">Gemini 2.5
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Flash (Preview)</div>
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<div class="custom-select-option" data-value="google/gemini-3-pro-image-preview">Gemini 3 Pro
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(Preview)</div>
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<div class="custom-select-option" data-value="openai/gpt-5-image">GPT-5 Image</div>
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<div class="custom-select-option" data-value="openai/gpt-5-image-mini">GPT-5 Image Mini</div>
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<div class="custom-select-option" data-value="black-forest-labs/flux.2-pro">Flux 2 Pro</div>
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<div class="custom-select-option" data-value="black-forest-labs/flux.2-max">Flux 2 Max</div>
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<div class="custom-select-option" data-value="black-forest-labs/flux.2-flex">Flux 2 Flex</div>
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<div class="custom-select-option" data-value="black-forest-labs/flux.2-klein-4b">Flux 2 Klein 4B
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</div>
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<div class="custom-select-option" data-value="bytedance-seed/seedream-4.5">Seedream 4.5</div>
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<div class="custom-select-option" data-value="sourceful/riverflow-v2-fast-preview">Riverflow V2
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Fast</div>
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<div class="custom-select-option" data-value="sourceful/riverflow-v2-standard-preview">Riverflow
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V2 Standard</div>
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<div class="custom-select-option" data-value="sourceful/riverflow-v2-max-preview">Riverflow V2
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Max</div>
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</div>
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</div>
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</div>
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<!-- Image Quality (Gemini specific) -->
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<div class="config-section" id="geminiOptions">
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<h3>Image Size</h3>
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<div class="button-group">
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<button class="btn-toggle active" data-size="1024x1024" data-quality="1K">1K</button>
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<button class="btn-toggle" data-size="2048x2048" data-quality="2K">2K</button>
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<button class="btn-toggle" data-size="4096x4096" data-quality="4K">4K</button>
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</div>
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</div>
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<!-- Aspect Ratio -->
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<div class="config-section">
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<h3>Aspect Ratio</h3>
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<div class="aspect-grid">
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<button class="btn-aspect active" data-ratio="1:1">1:1</button>
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<button class="btn-aspect" data-ratio="16:9">16:9</button>
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<button class="btn-aspect" data-ratio="9:16">9:16</button>
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<button class="btn-aspect" data-ratio="4:3">4:3</button>
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<button class="btn-aspect" data-ratio="3:4">3:4</button>
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<button class="btn-aspect" data-ratio="3:2">3:2</button>
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</div>
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</div>
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<!-- Number of Images -->
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<div class="config-section">
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<h3>Number of Images</h3>
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<div class="number-input-group">
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<button type="button" class="btn-number" id="decreaseCount">−</button>
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<input type="number" id="imageCount" value="1" min="1" max="8" class="number-input">
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<button type="button" class="btn-number" id="increaseCount">+</button>
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</div>
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</div>
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<!-- API Key -->
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<div class="config-section">
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<h3>OpenRouter API Key</h3>
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<input type="password" id="apiKey" placeholder="sk-or-..." class="text-input">
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<button class="btn btn-ghost" id="saveApiKey">Save Key</button>
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</div>
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</aside>
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<!-- Main Content -->
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<main class="main-content">
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<!-- Prompt Area -->
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<div class="prompt-area">
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<div class="prompt-container">
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<textarea id="promptInput" placeholder="Describe the image you want to generate..."
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rows="3"></textarea>
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<div class="prompt-actions">
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<span class="char-count" id="charCount">0 chars</span>
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<button class="btn btn-primary" id="generateBtn">
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Generate
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</button>
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</div>
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</div>
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<!-- Loading Indicator -->
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<div class="loading-container" id="loadingContainer" style="display: none;">
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<div class="loading-spinner"></div>
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<span class="loading-text">Generating images...</span>
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</div>
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</div>
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<!-- Gallery -->
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<div class="gallery-header">
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<h2>Generated Images</h2>
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<div class="gallery-actions">
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<button class="btn btn-ghost" id="clearGallery">Clear Gallery</button>
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</div>
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</div>
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<div class="gallery" id="gallery">
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<div class="gallery-empty" id="galleryEmpty">
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<span class="empty-icon">🖼️</span>
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<p>No images generated yet</p>
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<p class="empty-hint">Write a prompt above and click Generate</p>
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</div>
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</div>
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</main>
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</div>
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<!-- Image Modal -->
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<div class="modal" id="imageModal">
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<div class="modal-overlay" id="modalOverlay"></div>
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<div class="modal-content">
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<button class="modal-close" id="modalClose">×</button>
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<img src="" alt="Full size image" id="modalImage">
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<div class="modal-actions">
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<button class="btn btn-secondary" id="useAsReference">
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<span>📌</span> Use as Reference
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</button>
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<button class="btn btn-secondary" id="recreateImage">
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<span>🔄</span> Recreate
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</button>
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<button class="btn btn-secondary" id="downloadImage">
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<span>⬇️</span> Download
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</button>
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</div>
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<div class="modal-metadata" id="modalMetadata">
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<!-- Metadata will be injected here -->
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</div>
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</div>
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</div>
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<script src="app.js"></script>
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</body>
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</html>
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