LocalFileConvert

LocalFileConvert is a browser-based file conversion application that allows users to transform files between various formats directly in their browser without uploading data to any server.

Core Features

• Local File Conversion: All conversions happen directly in the browser, ensuring privacy and security.
• Multiple Format Support: Converts between image formats (JPG/PNG), PDF, and text.
• OCR Capability: Can extract text from images using Tesseract.js.
• Drag & Drop Interface: Simple user interface for file uploading and conversion.

Supported Conversions

• JPG → PDF, PNG, TXT
• PNG → PDF, JPG, TXT
• JPEG → PDF, PNG, TXT

Application Flow

1. User uploads a file via drag & drop or file selector on the home page.
2. The app shows available conversion formats based on the uploaded file type.
3. User selects a target format and initiates conversion.
4. A progress bar displays the conversion status.
5. Upon completion, the converted file is available for download or text copy.

Technical Implementation

The app is built with:

• Next.js and React 19
• TypeScript for type safety
• Tailwind CSS for styling
• Various libraries including:
  • pdf-lib for PDF operations
  • tesseract.js for OCR text extraction
  • canvas-confetti for success animations

Key Components

• FileConverter: Main component orchestrating the conversion process.
• useFileConverter: Custom hook containing conversion logic.
• Tabs for Upload and Convert steps.
• Dark/light theme support with ThemeToggle.

The app has a strong focus on privacy, performing all conversions locally without server interaction, making it suitable for sensitive documents.

localfileconvert.com