Base64 to File Converter 📁

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A fast, local-first web tool designed for developers and technical users. It decodes Base64 text strings (including Data URIs) and retrieves the original files instantly.

All processing is done locally in your web browser, ensuring complete control of your data (Local-First). Built with Vue 3 (Composition API) and TypeScript.

✨ Key Features

• Dual Detection:
  • Automatic: Identifies file types via Data URIs or by parsing binary Magic Bytes (PNG, JPEG, PDF, ZIP, GIF, XML).
  • Manual: Forces a file type using a selector with common formats (Word, Excel, JSON, SVG, etc.).
• Smart Preview:
  • Images & SVGs: Displayed natively in the browser.
  • PDFs: Embedded for quick review without downloading.
  • Data (JSON/XML/Text): Embedded code viewer with auto-formatting for JSON for easy reading.
• Local Processing: Everything happens client-side. Your files and converted data are never sent to any server.
• Interface: Clean, responsive design with dark/light mode support. Multi-language support.

🛠️ Built With

• Vue.js 3 (Composition API) + Vite
• TypeScript for robust, typed code.
• Vue-i18n for multi-language support.
• Vanilla CSS for optimal performance without external dependencies.

📁 Project Architecture

The project follows a modular architecture separating business logic from the view layer. You can check the details in docs/ARCHITECTURE.md.

🚀 How to Run Locally

npm install
npm run dev

📄 License

This project is proprietary and all rights are reserved by Javier Nicolás Pérez Mesa. It is published exclusively for portfolio review, code audit, and personal use. See the LICENSE file for details.

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Made with ❤️ 2026.