Free, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.
- audio-converter
- avalonia
- batch-conversion
- converter
Repository Index
47,133 repositories indexed
1–24 of 94 · Most stars
A High-Quality Real Time Upscaler for Anime Video
- anime
- upscaling
- upsampling
- video-processing
ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and offers powerful command-line tools and APIs for automation, scripting, and integration across platforms.
- imagemagick
- image-conversion
- image-manipulation
- image-processing
A very compact representation of a placeholder for an image.
Python Imaging Library (fork)
- c
- cross-platform
- pil
- pillow
TranslatedLuban 2（鲁班 2） —— An efficient and concise Android image compression library that closely replicates the compression strategy of WeChat Moments.
- luban
- android
- image-compression
A modern, cross-platform, 2D Graphics library for .NET
- image-processing
- drawing
- c-sharp
- jpeg
Fast, simple, scalable, Docker-ready HTTP microservice for high-level image processing
- image
- image-processing
- resize-images
- libvips
Imaging is a simple image processing package for Go
- image
- resize
- crop
- rotate
🖼️ Image optimization app for macOS, Windows and Linux.
- image-compression
- save-for-web
- jpegmini
- pngquant
JPEG XL image format reference implementation
- image-compression
- encoder
- decoder
- codec
FileAPI — a set of javascript tools for working with files. Multiupload, drag'n'drop and chunked file upload. Images: crop, resize and auto orientation by EXIF.
Cross-platform desktop GUI app to clean image metadata
- exif
- exiftool
- electron
- javascript
Wonderfully easy on-demand image manipulation library with an HTTP based API.
Glue is a simple command line tool to generate CSS sprites
Reading, writing, and processing images in a wide variety of file formats, using a format-agnostic API, aimed at VFX applications.
- images
- image-processing
- texture
- vfx
C++ image processing and machine learning library with using of SIMD: SSE, AVX, AVX-512, AMX for x86/x64, NEON, SVE for ARM, HVX for Hexagon
- simd
- avx
- neon
- image-processing
A GPU accelerated image and video processing framework built on Metal.
TwelveMonkeys ImageIO: Additional plug-ins and extensions for Java's ImageIO
- imageio
- plug-ins
- java
- tiff
A Ruby gem for on-the-fly processing - suitable for image uploading in Rails, Sinatra and much more!
Leptonica is an open source library containing software that is broadly useful for image processing and image analysis applications. The official github repository for Leptonica is: danbloomberg/leptonica. See leptonica.org for more documentation.
Image framework for iOS to display/encode/decode animated WebP, APNG, GIF, and more.
Async GIF image decoder and Image viewer supporting play GIF images. It just use very less memory.
Image process framework based on plugin like imagej, it is esay to glue with scipy.ndimage, scikit-image, opencv, simpleitk, mayavi...and any libraries based on numpy
- imagej
- scikit-image
- opencv
- simpleitk