Ditto

AI Image prompt + generation integration community w/ waifu2x.

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🎭 Ditto

Your favorite meme, now belongs to you.

Ditto is a autoregressive Image AI (FLUX, Gemini 3.0 Image Preview, GPT Image, etc.) based prompt + generation integration platform along with community features and a blazing fast browser-side image upscaler (refactored waifu2x, 30x faster than original implementation) based on tensorflow.js.

✨ Features

  • 🖼️ Image Gallery - Browse a wide collection of meme templates, anime screenshots, and more
  • 🤖 AI-Powered Generation - Replace characters in images using advanced AI models
  • 🧪 Upscaler - Turn AI-generated low resolution results into 2K/4K images in a click
  • 👤 GitHub Authentication - Simple sign-in with your GitHub account
  • 📤 Upload Templates - Share your own prompt templates with the community
  • 🌐 Multi-language Support - Available in English, Chinese (简体中文), and Japanese (日本語)
  • 📱 Responsive Design - Works seamlessly on desktop and mobile devices
  • 🎨 Modern UI - Built with Shadcn UI and Tailwind CSS

🛠️ Tech Stack

Core Technologies

  • Framework: Next.js 16 with App Router
  • Language: TypeScript
  • Styling: Tailwind CSS v4 + Shadcn UI
  • Database: Supabase (PostgreSQL) + TypeORM (traditional back-end based database operation)
  • Authentication: Supabase Auth with GitHub OAuth
  • State Management: Zustand
  • Validation: Zod
  • Internationalization: next-intl
  • Browser side AI features: tensorflow.js with waifu2x thanks to nagadomi for algorithm & model training

AI Services

  • Image Generation: OpenRouter API (supports multiple models)
  • Image Upscaling: browser side waifu2x from nunif on GitHub

GPL-3.0-only ライセンスに基づき、nagadomi (unlimited.waifu2x.net) さんの ONNX モデルを利用させていただきました。すばらしい技術をご提供いただき、誠にありがとうございます。また、モデルの使用に関して著作権侵害等の問題がございましたら、遠慮なくご連絡ください。速やかに対応いたします。

Development Tools

  • Code Formatting: Prettier
  • Linting: ESLint
  • Type Checking: TypeScript

I used Claude 4.5 Sonnet for scaffolding and UI development. Translations (English, Japanese, Simplified Chinese) and algorithms & some back-end logics are (re)created by me (since AI did bad on these fields).

For more information please see GitHub repository. You can also learn how to deploy the project & dive in development there.

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