Kriti Images

Kriti Images is a high-performance image transformation service built in Go, providing a URL-based API for real-time image processing. It is an open-source alternative to Cloudflare Images and ImageKit, designed for CDN-friendly delivery.

Key Features

• URL-based transformations via simple URL parameters for on-the-fly image manipulation
• Output formats JPEG, PNG and WebP with adjustable quality
• Resizing, cropping, rotating, blurring, and brightness/contrast/gamma adjustments
• Smart resizing modes: contain, cover, crop, pad, squeeze, and scaledown; supports background colors and rounded corners
• CDN-friendly caching and high performance due to a Go-based backend
• AWS S3 integration for storage and retrieval; ability to source images via URL
• Source images can be provided via URL (no local upload required)

Use Cases

• Build responsive images for multiple devices by transforming and serving on-the-fly
• Integrate with existing CDNs to optimize external images by URL rewriting
• Provide rapid image endpoints for apps without implementing their own image processing

Limitations and Considerations

• Upload Images feature is experimental and disabled by default; enabling requires configuration changes and may be moved or removed in future updates

Conclusion

Kriti Images provides a lightweight, self-hosted solution for real-time image transformation via URL requests, with Go-based performance, S3 support, and CDN-friendly delivery. It is designed to be integrated into existing web stacks as a backend image service.