libwebp-1.6.0 - 6/30/2025 version 1.6.0 This is a binary compatible release. API changes: - libwebp: WebPValidateDecoderConfig * additional x86 (AVX2, SSE2), general optimizations and compression improvements for lossless * `-mt` returns same results as single-threaded lossless (regressed in 1.5.0, #426506716) * miscellaneous warning, bug & build fixes (#393104377, #397130631, #398288323, #398066379, #427503509) Tool updates: * cwebp can restrict the use of `-resize` with `-resize_mode` (#405437935) Bug: webp:427525168 * tag 'v1.6.0': update ChangeLog webp_js/README.md: add some more code formatting (``) CMakeLists: add warning for incorrect emscripten config update ChangeLog api.md: add WebPValidateDecoderConfig to pseudocode update NEWS bump version to 1.6.0 update AUTHORS Change-Id: Ia4962eff9c197c42c77c9eadd35cdeee3586510e
WebP Codec
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WebP codec is a library to encode and decode images in WebP format. This package contains the library that can be used in other programs to add WebP support, as well as the command line tools 'cwebp' and 'dwebp' to compress and decompress images respectively.
See https://developers.google.com/speed/webp for details on the image format.
The latest source tree is available at https://chromium.googlesource.com/webm/libwebp
It is released under the same license as the WebM project. See https://www.webmproject.org/license/software/ or the "COPYING" file for details. An additional intellectual property rights grant can be found in the file PATENTS.
Building
See the building documentation.
Encoding and Decoding Tools
The examples/ directory contains tools to encode and decode images and animations, view information about WebP images, and more. See the tools documentation.
APIs
See the APIs documentation, and API usage examples in the
examples/
directory.
Bugs
Please report all bugs to the issue tracker. For security reports, select 'Security report' from the Template dropdown.
Patches welcome! See how to contribute.
Discuss
Email: webp-discuss@webmproject.org
Web: https://groups.google.com/a/webmproject.org/group/webp-discuss