Avif GitHub Repositories (2026) · Open Source Tools

Fast and secure standalone server for resizing, processing, and converting images on the fly

Dinky makes files smaller.

High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.

Fast, secure image processing server and Go library, using libvips

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.

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.

Python library for working with HEIF images and plugin for Pillow.

Open-source image viewer and editor for Linux. View HEIC, AVIF, JPEG XL, RAW previews, and Motion Photos in fullscreen or floating windows.

Dockerized application that resizes and crops images on the fly, delivering optimized images in formats such as AVIF, WebP, MozJPEG, or PNG using ImageMagick, with an efficient caching system.