C library for reading, writing, and manipulating PNG image files.

C library for ICC color profile handling and color space transformations.

High-performance JPEG codec library (C) with 2-4× faster compression/decompression than libjpeg.

C library and utilities for reading and writing TIFF image files with compression support.

C library and command-line utilities for reading, writing, and manipulating GIF images.

Command-line and library tools for creating, editing, and converting images across 200+ formats.

C++ library and tools for high dynamic-range (HDR) image files with lossless compression.

Open-source JPEG2000 Part 15 (HTJ2K) codec library and command-line tool for lossless and lossy image compression.

Shared library for reading and writing HEIF image files (ISO 23008-12), with HEVC video codec support.

Image encoding/decoding library and command-line tools for WebP format with lossy and lossless compression.

C library for image loading, manipulation, and pixel buffer operations with support for multiple formats.

Shared library to render SVG files using Cairo, written in Rust with C bindings.

C library for encoding and decoding JPEG-2000 images with command-line tools.

C library and command-line tools for encoding and decoding AV1 Image Format (.avif) files with support for all YUV formats and bit depths.

OCR engine that converts scanned images and PDFs into searchable text via command-line or library API.

Graph visualization software that renders structured diagrams from plain-text graph descriptions (DOT language).

C library for image processing, analysis, and manipulation with support for multiple formats.

JPEG XL image codec library and command-line tools for modern lossless and lossy still-image compression.

C library for creating and manipulating images in multiple formats (PNG, JPEG, GIF, WebP).

C library for encoding and decoding JPEG-2000 images with optional JPEG support.

C library and command-line tools for reading, writing, and manipulating images in netpbm formats (PBM, PGM, PPM, PAM, TIFF, PNG, JPEG).

Qt library providing SVG image rendering and manipulation for Qt applications.

C library and command-line decoder for JBIG2 bi-level image compression (ITU T.88/ISO 14492).

Perl library and command-line tool for reading, writing, and manipulating EXIF and metadata in images, audio, and video files.

Python CLI tool that adds searchable OCR text layers to PDF files using Tesseract.

JPEG image encoding and decoding C library, reference implementation by the Independent JPEG Group.

C library for reading and processing RAW image files from digital cameras.

C++ library for loading and processing 3D model files in 40+ formats (FBX, OBJ, glTF, Collada, etc).

C++ library for real-time computer vision, image processing, and machine learning model inference.

Python library for opening, manipulating, and saving images across many formats.

High-performance image processing library with low memory footprint, supporting 300+ operations and 20+ formats.

C++17 shared library for high-performance image scaling, colorspace conversion, and depth dithering.

Qt image format plugins for TIFF, MNG, TGA, WBMP, and additional formats beyond the core library.

C library for high-quality color palette quantization and image posterization.

C library and command-line tool for fast QR code generation with PNG output.

C library for parsing and manipulating EXIF metadata from JPEG images.

Image manipulation suite supporting 200+ formats with command-line tools and C libraries.

C library and CLI tools for reading DICOM whole-slide medical imaging files with minimal dependencies.

C library for reading whole-slide microscopy images in multiple formats (SVS, VMS, Zeiss, etc.).

C image processing library and command-line tool for converting, resizing, and manipulating images.

Lossy PNG compressor that reduces file size by quantizing color palettes.

C++ shared library for rapid encoding and decoding of raster images using LERC (Limited Error Raster Compression) format with user-defined error bounds.

GPU-accelerated image and video processing library with Vulkan/OpenGL/Metal backends for high-quality rendering pipelines.

Convert bitmap images to vector graphics via edge detection and polygon approximation.

C++ library and reference codec for Google's Ultra HDR image format, enabling HDR image compression and decoding.

C library for loading images (PNG, JPEG, WebP, AVIF, TIFF, etc.) as SDL2 surfaces and textures.

C library implementing content-aware image resizing via seam carving algorithm.

Library and command-line tools for reading barcodes from images and video streams.

Python tool to convert images to PDF with lossless JPEG embedding and minimal file size.

Fast, lightweight C library for encoding GIF images and animations with color quantization and optimization.

JPEG encoder library with improved compression efficiency, compatible with libjpeg API.

C library and CLI tool to convert images and animations into Unicode/ASCII/ANSI art for terminal display.

C library for reading, writing, and displaying MNG (animated PNG) image files.

Wavelet-based image compressor command-line tool for lossy/lossless image compression.

Command-line JBIG2 encoder for compressing monochrome documents and images with symbol extraction and PDF embedding support.