Flyimg

A fast, secure image processing server written in Go. Pass an image URL with transformation parameters and receive the processed result instantly — no uploads, no storage, no waiting.

What You Can Do After Deployment

1. Open your domain — the service is ready immediately
2. Process images via URL — append parameters like width, height, quality, and format to any image URL
3. Resize on the fly — upload/w_300,h_200/https://example.com/photo.jpg
4. Crop and rotate — smart cropping, face detection, and rotation options
5. Convert formats — output as WebP, AVIF, JXL for smaller file sizes
6. Optimize quality — adjust compression level per request

Key Features

• Powered by libvips for high-performance image manipulation
• URL-based API — no SDK or client library needed
• Supports PNG, JPEG, GIF, WebP, AVIF, JXL
• Built-in caching for repeat requests
• Face detection for smart cropping
• Watermark support
• Configurable security restrictions

License

AGPL-3.0 — GitHub