Png GitHub Repositories (2026) · Open Source Tools

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

Turn code into a beautiful image, from your terminal. One binary, no browser, no server.

Publish SANE scanners to MacOS, Android, and Windows via Apple AirScan.

MagicScaler high-performance, high-quality image processing pipeline for .NET

Free EXR file viewer. DJV is a free, open-source high bit-depth image sequence player built for professional film, VFX & animation workflows. Use it for frame-accurate dailies, shot review, and A/B comparisons. Available for Linux, macOS, and Windows.

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

High-performance engine for capturing, modifying, and converting DOM elements into any format.

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

A fast and simple image viewer / editor for many operating systems

Read/write access to PNG images in pure Ruby.

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.

A cross-platform image viewer which supports reading raw Luminance/YUV/RGB/ARGB/Bayer pixels data from file and rendering it.

Smaller images, same picture. Compress PNGs to PNG or WebP with automatic quality. PNG output is 8–12% smaller than TinyPNG at equal quality on the median image. Command line and browser.

decode, inspect, edit, and encode png images in pure swift

Paged HTML Rendering Library

:rowboat: Convert any image to ICO format

A fast CLI tool and Rust library to convert PNG images into SVG vectors