Ocompress

A cross-platform desktop application for compressing and converting images with a modern, user-friendly GUI. This is a re-write using Tauri and Svelte of the original Imagine.

Install

Download binaries for Windows, macOS, and Linux from:

[https://github.com/LoveIiei/Ocompress/releases]

Screenshot

Features

• Smallest executable size: Thanks to Tauri framework
• Little ram usage: Efficient memory consumption, 20 times less than the original Electron version
• Multi-format support: PNG, JPEG, WebP, BMP, ICO, GIF
• Format conversion: Convert between any supported formats
• Batch optimization: Process multiple images concurrently
• Drag and drop: Drop files directly into the app
• Real-time preview: View original and optimized images side-by-side
• Adjustable quality: Fine-tune compression quality (10-100) and color palette (2-256)
• Multiple save options: Overwrite, save with new name, save to directory, or save as
• Placeholder generation: Create placeholder images with custom dimensions and colors
• Cross-platform: Windows, macOS, and Linux
• Internationalization: 15 languages supported
  • English, 简体中文, Deutsch, Español, Français, Italiano, Nederlands
  • العربية, فارسی, Hrvatski, Polski, Русский, Srpski, Svenska

Development

Prerequisites

• Node.js (v18+)
• Rust
• Tauri CLI

Setup

git clone https://github.com/LoveIiei/Ocompress.git
cd Imagine
npm install

Commands

Project Structure

├── modules/                 # Frontend source (Svelte + TypeScript)
│   ├── renderer/           # UI components and stores
│   ├── bridge/             # Frontend-backend communication
│   ├── common/             # Shared types and utilities
│   └── locales/            # i18n translations
├── src-tauri/              # Backend source (Rust)
│   ├── src/                # Rust source code
│   └── bin/                # Platform-specific compression binaries
└── dist/                   # Build output

Contributing

Pull requests are welcome! Before submitting:

1. Run npm run test and ensure all checks pass
2. Follow existing code style and conventions

Adding a New Locale

Locale files are in modules/locales/. To add a new language:

1. Create a new file (e.g., ja.ts) based on en.ts
2. Add the export to modules/locales/index.ts
3. Submit a PR

Alternatively, create an issue or contact the maintainer.

Built With

Image Compression

• pngquant - Lossy PNG compressor
• mozjpeg - Improved JPEG encoder
• cwebp - WebP encoder

Application Framework

• Tauri - Cross-platform desktop framework
• Svelte - Frontend framework
• Vite - Build tool
• Rust - Backend language

License

MIT