diff --git a/WindowsRequirements.json b/WindowsRequirements.json
index c1e5c910..38b0a404 100644
--- a/WindowsRequirements.json
+++ b/WindowsRequirements.json
@@ -19,5 +19,6 @@
     "woff2",
     "pixman",
     "cairo",
-    "libpsl"
+    "libpsl",
+    "libavif"
 ]
diff --git a/ports/libavif/disable-source-utf8.patch b/ports/libavif/disable-source-utf8.patch
new file mode 100644
index 00000000..3f44c7b8
--- /dev/null
+++ b/ports/libavif/disable-source-utf8.patch
@@ -0,0 +1,15 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 6d9431c..29d7d60 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -161,8 +161,8 @@ elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
+         # A C4556 warning will be generated on violation.
+         # Commonly used /utf-8 flag assumes UTF-8 for both source and console, which is usually not the case.
+         # Warnings can be suppressed but there will still be random characters printed to the console.
+-        /source-charset:utf-8
+-        /execution-charset:us-ascii
++        #/source-charset:utf-8
++        #/execution-charset:us-ascii
+     )
+ else()
+     message(FATAL_ERROR "libavif: Unknown compiler, bailing out")
diff --git a/ports/libavif/find-dependency.patch b/ports/libavif/find-dependency.patch
new file mode 100644
index 00000000..aa80f5db
--- /dev/null
+++ b/ports/libavif/find-dependency.patch
@@ -0,0 +1,63 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index aca5d6f..48a26c3 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -156,7 +156,10 @@ if(AVIF_LOCAL_LIBYUV)
+     set(libyuv_FOUND TRUE)
+     message(STATUS "libavif: local libyuv found; libyuv-based fast paths enabled.")
+ else(AVIF_LOCAL_LIBYUV)
+-    find_package(libyuv QUIET) # not required
++    find_package(libyuv_config NAMES libyuv CONFIG REQUIRED)
++    set(LIBYUV_INCLUDE_DIR "${libyuv_INCLUDE_DIRS}")
++    set(LIBYUV_LIBRARY "yuv")
++    find_package(libyuv MODULE REQUIRED)
+     if(libyuv_FOUND)
+         # libyuv 1755 exposed all of the I*Matrix() functions, which libavif relies on.
+         # libyuv 1774 exposed ScalePlane_12 function, which libavif can use for some additional optimizations.
+@@ -660,7 +663,7 @@ endif()
+ if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
+     install(
+         TARGETS avif
+-        EXPORT ${PROJECT_NAME}-config
++        EXPORT ${PROJECT_NAME}-targets
+         RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+         ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+         LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+@@ -668,7 +671,7 @@ if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
+ 
+     # Enable CMake configs in VCPKG mode
+     if(BUILD_SHARED_LIBS OR VCPKG_TARGET_TRIPLET)
+-        install(EXPORT ${PROJECT_NAME}-config DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
++        install(EXPORT ${PROJECT_NAME}-targets DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
+ 
+         include(CMakePackageConfigHelpers)
+         write_basic_package_version_file(
+@@ -677,6 +680,28 @@ if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
+         install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake
+                 DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
+         )
++        file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake.in "@PACKAGE_INIT@\n")
++        if(NOT BUILD_SHARED_LIBS)
++            file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake.in "
++                include(CMakeFindDependencyMacro)
++                find_dependency(libyuv CONFIG)
++                set(THREADS_PREFER_PTHREAD_FLAG ON)
++                find_dependency(Threads)
++                ")
++        endif()
++        file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake.in "include(\${CMAKE_CURRENT_LIST_DIR}/${PROJECT_NAME}-targets.cmake)")
++
++        # Install CMake configuration export file.
++        configure_package_config_file(
++            ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake.in
++            ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake
++            INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
++            NO_SET_AND_CHECK_MACRO NO_CHECK_REQUIRED_COMPONENTS_MACRO
++        )
++        install(
++            FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake
++            DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
++        )
+     endif()
+ 
+     # Handle both relative and absolute paths (e.g. NixOS) for a relocatable package
diff --git a/ports/libavif/portfile.cmake b/ports/libavif/portfile.cmake
new file mode 100644
index 00000000..3129b86a
--- /dev/null
+++ b/ports/libavif/portfile.cmake
@@ -0,0 +1,41 @@
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO AOMediaCodec/libavif
+    REF "v${VERSION}"
+    SHA512 37f0de757180c6414778e688006940395960b316c25192d6beb97a07942aff4bd3b712dec2eff52cd26f5d72c352731442175dfeb90e2e1381133539760142b0
+    HEAD_REF master
+    PATCHES
+        disable-source-utf8.patch
+        find-dependency.patch # from https://github.com/AOMediaCodec/libavif/pull/1339
+)
+
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    FEATURES
+        aom AVIF_CODEC_AOM
+        dav1d AVIF_CODEC_DAV1D
+)
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+        -DAVIF_BUILD_APPS=OFF
+        -DCMAKE_DISABLE_FIND_PACKAGE_libsharpyuv=ON
+        ${FEATURE_OPTIONS}
+)
+
+vcpkg_cmake_install()
+
+vcpkg_copy_pdbs()
+
+# Move cmake configs
+vcpkg_cmake_config_fixup(CONFIG_PATH lib/cmake/${PORT})
+
+# Fix pkg-config files
+vcpkg_fixup_pkgconfig()
+
+# Remove duplicate files
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include"
+                    "${CURRENT_PACKAGES_DIR}/debug/share")
+
+# Handle copyright
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")
diff --git a/ports/libavif/vcpkg.json b/ports/libavif/vcpkg.json
new file mode 100644
index 00000000..09af7c0d
--- /dev/null
+++ b/ports/libavif/vcpkg.json
@@ -0,0 +1,37 @@
+{
+  "name": "libavif",
+  "version-semver": "1.0.4",
+  "port-version": 2,
+  "description": "Library for encoding and decoding AVIF files",
+  "homepage": "https://github.com/AOMediaCodec/libavif",
+  "license": "BSD-2-Clause AND Apache-2.0",
+  "dependencies": [
+    "libyuv",
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-webkit",
+      "host": true
+    }
+  ],
+  "features": {
+    "aom": {
+      "description": "AV1 codec library",
+      "dependencies": [
+        "aom"
+      ]
+    },
+    "dav1d": {
+      "description": "dav1d decoder library",
+      "dependencies": [
+        "dav1d"
+      ]
+    }
+  }
+}
diff --git a/ports/libyuv/cmake.diff b/ports/libyuv/cmake.diff
new file mode 100644
index 00000000..0ae300b8
--- /dev/null
+++ b/ports/libyuv/cmake.diff
@@ -0,0 +1,46 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 9a20941..945c5a4 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -4,8 +4,8 @@
+ 
+ include(CheckCSourceCompiles)
+ 
++cmake_minimum_required(VERSION 3.12)
+ project ( YUV C CXX )	# "C" is required even for C++ projects
+-cmake_minimum_required( VERSION 2.8.12 )
+ option( UNIT_TEST "Built unit tests" OFF )
+ 
+ set ( ly_base_dir	${PROJECT_SOURCE_DIR} )
+@@ -164,7 +164,8 @@ target_link_libraries  ( yuvconstants ${ly_lib_static} )
+ find_package ( JPEG )
+ if (JPEG_FOUND)
+   include_directories( ${JPEG_INCLUDE_DIR} )
+-  target_link_libraries( ${ly_lib_shared} ${JPEG_LIBRARY} )
++  target_link_libraries( ${ly_lib_static} PRIVATE JPEG::JPEG )
++  target_link_libraries( ${ly_lib_shared} PRIVATE JPEG::JPEG )
+   add_definitions( -DHAVE_JPEG )
+ endif()
+ 
+@@ -211,9 +212,18 @@ endif()
+ 
+ 
+ # install the conversion tool, .so, .a, and all the header files
+-install ( PROGRAMS ${CMAKE_BINARY_DIR}/yuvconvert			DESTINATION bin )
+-install ( TARGETS ${ly_lib_static}						DESTINATION lib )
+-install ( TARGETS ${ly_lib_shared} LIBRARY				DESTINATION lib RUNTIME DESTINATION bin )
++install(TARGETS yuvconvert)
++if(BUILD_SHARED_LIBS)
++  target_include_directories(${ly_lib_shared} PUBLIC $<INSTALL_INTERFACE:include>)
++  install(TARGETS ${ly_lib_shared} EXPORT libyuv-targets)
++  set_target_properties(${ly_lib_shared} PROPERTIES EXPORT_NAME "${ly_lib_static}") # vcpkg legacy
++  add_definitions(-DLIBYUV_BUILDING_SHARED_LIBRARY)
++else()
++  target_include_directories(${ly_lib_static} PUBLIC $<INSTALL_INTERFACE:include>)
++  install(TARGETS ${ly_lib_static} EXPORT libyuv-targets)
++  set_target_properties(${ly_lib_shared} PROPERTIES EXCLUDE_FROM_ALL 1)
++endif()
++install(EXPORT libyuv-targets DESTINATION share/libyuv)
+ install ( DIRECTORY ${PROJECT_SOURCE_DIR}/include/		DESTINATION include )
+ 
+ # create the .deb and .rpm packages using cpack
diff --git a/ports/libyuv/libyuv-config.cmake b/ports/libyuv/libyuv-config.cmake
new file mode 100644
index 00000000..7031eddc
--- /dev/null
+++ b/ports/libyuv/libyuv-config.cmake
@@ -0,0 +1,5 @@
+include(CMakeFindDependencyMacro)
+find_dependency(JPEG)
+
+set(libyuv_INCLUDE_DIRS "${CMAKE_CURRENT_LIST_DIR}/../../include")
+include("${CMAKE_CURRENT_LIST_DIR}/libyuv-targets.cmake")
diff --git a/ports/libyuv/portfile.cmake b/ports/libyuv/portfile.cmake
new file mode 100644
index 00000000..b13afab8
--- /dev/null
+++ b/ports/libyuv/portfile.cmake
@@ -0,0 +1,41 @@
+vcpkg_from_git(
+    OUT_SOURCE_PATH SOURCE_PATH
+    URL https://chromium.googlesource.com/libyuv/libyuv
+    REF c21dda06dd8d19b6e50168c28c324c1f32e94407 # 6 commits after switch to 1895, reason: CMake changes
+    # Check https://chromium.googlesource.com/libyuv/libyuv/+/refs/heads/main/include/libyuv/version.h for a version!
+    PATCHES
+        cmake.diff
+)
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+)
+
+vcpkg_cmake_install()
+vcpkg_cmake_config_fixup()
+vcpkg_copy_pdbs()
+vcpkg_copy_tools(TOOL_NAMES yuvconvert AUTO_CLEAN)
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/libyuv/basic_types.h" "defined(LIBYUV_USING_SHARED_LIBRARY)" "1")
+endif()
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")
+
+file(COPY "${CMAKE_CURRENT_LIST_DIR}/libyuv-config.cmake" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+file(COPY "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+
+vcpkg_cmake_get_vars(cmake_vars_file)
+include("${cmake_vars_file}")
+if(VCPKG_DETECTED_CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+    file(APPEND "${CURRENT_PACKAGES_DIR}/share/${PORT}/usage" [[
+
+Attention:
+You are using MSVC to compile libyuv. This build won't compile any
+of the acceleration codes, which results in a very slow library.
+See workarounds: https://github.com/microsoft/vcpkg/issues/28446
+]])
+endif()
+
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")
diff --git a/ports/libyuv/usage b/ports/libyuv/usage
new file mode 100644
index 00000000..b4c7d12f
--- /dev/null
+++ b/ports/libyuv/usage
@@ -0,0 +1,5 @@
+libyuv provides CMake targets:
+
+  # Unofficial config package and target from vcpkg
+  find_package(libyuv CONFIG REQUIRED)
+  target_link_libraries(main PRIVATE yuv)
diff --git a/ports/libyuv/vcpkg.json b/ports/libyuv/vcpkg.json
new file mode 100644
index 00000000..97e81f0d
--- /dev/null
+++ b/ports/libyuv/vcpkg.json
@@ -0,0 +1,22 @@
+{
+  "name": "libyuv",
+  "version": "1895",
+  "description": "libyuv is an open source project that includes YUV scaling and conversion functionality",
+  "homepage": "https://chromium.googlesource.com/libyuv/libyuv",
+  "license": null,
+  "dependencies": [
+    "libjpeg-turbo",
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-get-vars",
+      "host": true
+    }
+  ]
+}