Alt Text Generator AI Caption

Alt Text Generator — the smartest, fastest way to generate professional alt text for any image, right on your Android device.

Whether you're a content creator, web developer, SEO specialist, accessibility advocate, or just someone who wants to make their images more descriptive, Alt Text Generator does the heavy lifting for you — powered by on-device AI with zero cloud upload, zero privacy risk.

✨ Key Features
🤖 Three Powerful AI Models Choose the best model for your image: • Image Labeling — fast, accurate scene and object descriptions • Object Detection — precise detection of multiple objects with positions • OCR (Text Recognition) — extract and describe text found in images

🎨 Three Writing Tones • Concise — short, clean descriptions perfect for web performance • Descriptive — rich, detailed captions for maximum accessibility • SEO — keyword-rich alt text optimized for search engine ranking

📷 Multiple Input Methods • Pick any image from your gallery • Capture directly with the built-in camera

📝 Editable Alt Text Review, edit, and refine your generated alt text before using it. Live character counter included.

🌍 Multi-Language Output Translate your alt text into 50+ languages using on-device ML Kit translation — no internet required after model download.

⚙️ Confidence Threshold Control Adjust the AI confidence level from 50% to 90% — filter out uncertain labels and keep only the results you trust.

📦 Batch Processing Select up to 20 images at once, process them all automatically, then export the results as a plain-text or CSV file via the share sheet.

🕒 History Log Every generation is saved locally. Browse, copy, or delete past results anytime.

🏠 Home Screen Widget See your last generated alt text at a glance right from your home screen.

♿ Full Accessibility Support TalkBack-optimized mode announces results automatically. Designed with accessibility-first principles throughout.

🔒 Privacy First
All image processing happens entirely on your device. Your photos are never uploaded to any server. History is stored locally and can be cleared at any time.

🎯 Perfect For
• Web developers & designers needing fast alt text for HTML images • SEO professionals optimizing image metadata • Accessibility advocates ensuring websites meet WCAG standards • Social media creators writing descriptive captions • Bloggers and content creators managing large image libraries • Anyone wanting to describe images quickly and accurately

📱 What's Inside
• Material 3 design with dynamic color (Android 12+) • Edge-to-edge UI for a premium look • Dark mode support • Smooth, fast performance — no lag, no loading spinners

Download Alt Text Generator today and make every image speak for itself.