Webp GitHub Repositories (2026) · Open Source Tools

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

Dinky makes files smaller.

TwelveMonkeys ImageIO: Additional plug-ins and extensions for Java's ImageIO

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

Asynchronous image downloader with cache support as a UIImageView category

Image loading system

LazyLoad is a lightweight, flexible script that speeds up your website by deferring the loading of your below-the-fold images, backgrounds, videos, iframes and scripts to when they will enter the viewport. Written in plain "vanilla" JavaScript, it leverages IntersectionObserver, supports responsive images and enables native lazy loading.

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

Pure-managed, SIMD-accelerated image codecs for .NET: JPEG, PNG, WebP, TIFF, GIF, JPEG 2000 and JBIG2, plus EXIF and ICC. No native dependencies, NativeAOT-compatible; the JPEG decoder beats libjpeg-turbo on our benchmark corpus.

Extracts Exif, IPTC, XMP, ICC and other metadata from image, video and audio files

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.

:rowboat: Convert any image to ICO format

A thin Swift wrapper around libwebp, offering both encoding and decoding APIs

A Paint.NET filetype plugin that loads and saves WebP images.