justnullname / QuickView

The fastest Direct2D-powered image viewer for Windows. Features multi-threaded JXL/AVIF decoding, GPU acceleration, and a borderless geek UI. Supports WebP, RAW, & QOI with visual settings and auto-updates. Portable & SIMD-optimized.

phoboslab / qoi

The “Quite OK Image Format” for fast, lossless image compression

jark006 / JarkViewer

一款简约且飞快的看图软件，支持 AVIF、HEIC、JPEG-XL 和 实况照片 等超多新兴图像格式！A minimalist and lightning-fast image viewer that supports a wide range of emerging image formats such as AVIF, HEIC, JPEG-XL, and Live Photos!

libgd / libgd

GD Graphics Library

bluescan / tacentview

An image and texture viewer for tga, png, apng, exr, dds, pvr, ktx, ktx2, astc, pkm, qoi, gif, hdr, jpg, jxl, tif, ico, webp, avif, heic, and bmp files. Uses Dear ImGui, OpenGL, and Tacent. Useful for game devs as it displays information like the presence of an alpha channel and querying specific pixels for their colour.

BinomialLLC / basis_universal

Basis Universal GPU Texture Codec