Thumbor
Thumbor is a smart image processing proxy. It enables on-demand crop, resize, filter, and face-detection for images via simple URL-based commands. Serve optimized images without modifying your application.
Services
Thumbor
A smart image processing proxy that crops, resizes, and applies filters on the fly via URL-based commands. Features face and feature detection for intelligent cropping.
Getting Started
- Visit your domain — Thumbor is ready at the root URL
- Security key — find it in Service > Variables >
SECURITY_KEY - Usage — request images via
/{hash}/{options}/{image_url}, e.g./unsafe/300x200/example.com/photo.jpg - Unsafe mode — use
/unsafe/prefix to skip HMAC validation (not recommended for production)
Key Features
- URL-based image manipulation (crop, resize, flip, filters)
- Smart cropping with face and feature detection
- Built-in image filters (blur, sharpen, watermark, etc.)
- Pluggable storage and result storage backends
- WebP and AVIF auto-conversion
License
MIT — GitHub