libvips is a free, open-source image-processing library designed for demand-driven, horizontally threaded work with low memory use. Its roughly 300 operations cover arithmetic, histograms, convolution, morphology, frequency filtering, colour, resampling, and statistics. Supported formats include JPEG, JPEG 2000, JPEG XL, TIFF, PNG, WebP, HEIC, AVIF, FITS, Matlab, OpenEXR, PDF, SVG, GIF, DeepZoom, and OpenSlide. Developers can use C, C++, and command-line interfaces, or bindings for Ruby, Python, PHP, .NET, Go, Lua, Crystal, Elixir, Java, and Nim. Packages are available for most Unix-like systems, and it can be installed on macOS and Windows. Windows downloads include a web-focused build with a limited reader subset and a larger build with all supported readers; the project advises care before public deployment of the latter. Optional dependencies and build options can be selected from source. The library is suited to large images, many CPUs, colour work, scientific analysis, and research and development. It is licensed under LGPL-2.1-or-later; its GUI is nip4.
Who it is for
libvips suits developers and researchers processing large images, working across many CPUs, or handling colour and scientific analysis. Its language bindings and command-line interface offer several ways to integrate it into software workflows.
What is good
- Around 300 image-processing operations
- Supports a wide range of image formats
- Bindings cover numerous programming languages
- Build options allow optional dependencies to be selected
- Free under the LGPL-2.1-or-later license
What to know first
- No web application is listed
- The larger Windows build calls for care before public deployment
Verdict
libvips offers broad format and operation support for image-processing work, with interfaces for multiple languages and systems. Review the Windows build choices before public deployment, especially when using the larger reader set.
libvips plans and pricing
All plansCompared on image converter software
- Image resizing
- Yes
- Color mode conversion
- Yes
- API access
- Yes
- Web application
- No
