Oculante

A no-nonsense hardware-accelerated image viewer. Oculante's vision is to be a fast, unobtrusive, portable image viewer with wide image format support, offering image analysis and basic editing tools.

Free of charge, bloat-free, ad-free, privacy-respecting open source application

Fast opening of images, fast startup

Available for Win, Mac, Linux, FreeBSD and NetBSD

Supports a wide range of images and SVG

Caches images for faster reloading

Can display unassociated channels correctly (If your image uses alpha and color channels to encode data in a special way)

Lets you pick pixels, display location and color values

Offers basic nondestructive editing: Crop, resize, paint, contrast, HSV, rotate, blur, noise, ...

SIMD-accelerated image editing