diff --git a/tools/idf_tools.py b/tools/idf_tools.py
index 2b0089d3ee..b02e656d42 100755
--- a/tools/idf_tools.py
+++ b/tools/idf_tools.py
@@ -209,6 +209,7 @@ PYTHON_PLATFORM = f'{platform.system()}-{platform.machine()}'
 # Identifiers used in tools.json for different platforms.
 PLATFORM_WIN32 = 'win32'
 PLATFORM_WIN64 = 'win64'
+PLATFORM_WIN_ARM64 = 'win-arm64'
 PLATFORM_MACOS = 'macos'
 PLATFORM_MACOS_ARM64 = 'macos-arm64'
 PLATFORM_LINUX32 = 'linux-i686'
@@ -239,7 +240,8 @@ class Platforms:
         'Windows-x86_64': PLATFORM_WIN64,
         'Windows-AMD64': PLATFORM_WIN64,
         'x86_64-w64-mingw32': PLATFORM_WIN64,
-        'Windows-ARM64': PLATFORM_WIN64,
+        PLATFORM_WIN_ARM64: PLATFORM_WIN_ARM64,
+        'Windows-ARM64': PLATFORM_WIN_ARM64,
         # macOS
         PLATFORM_MACOS: PLATFORM_MACOS,
         'osx': PLATFORM_MACOS,
@@ -780,11 +782,15 @@ class IDFToolVersion:
     def get_download_for_platform(self, platform_name: str | None) -> IDFToolDownload | None:
         """
         Get download for given platform if usable download already exists.
+        On win-arm64, falls back to win64 when no native build is available.
         """
         try:
             platform_name = Platforms.get(platform_name)
             if platform_name in self.downloads.keys():
                 return self.downloads[platform_name]
+            # On Windows ARM64, use win64 (x86_64) build when no native win-arm64 exists
+            if platform_name == PLATFORM_WIN_ARM64 and PLATFORM_WIN64 in self.downloads:
+                return self.downloads[PLATFORM_WIN64]
         # exception can be omitted, as not detected platform is handled without err message
         except ValueError:
             pass
diff --git a/tools/tools.json b/tools/tools.json
index 00f697156e..9b11a229f5 100644
--- a/tools/tools.json
+++ b/tools/tools.json
@@ -542,7 +542,8 @@
           "install": "always",
           "platforms": [
             "win32",
-            "win64"
+            "win64",
+            "win-arm64"
           ]
         },
         {
@@ -602,6 +603,11 @@
           },
           "name": "4.0.3",
           "status": "recommended",
+          "win-arm64": {
+            "sha256": "86ccd6485bbd4bb41a1a858db397be5bca5e0de96858bf8dbba7a64407bd6c00",
+            "size": 46495761,
+            "url": "https://github.com/Kitware/CMake/releases/download/v4.0.3/cmake-4.0.3-windows-arm64.zip"
+          },
           "win32": {
             "sha256": "b59a31dfbfa376a4aaea9ff560ff2b29f78ee5f9fb15447fc71ae7bf9fea9379",
             "size": 47717299,
@@ -739,7 +745,8 @@
           "install": "always",
           "platforms": [
             "win32",
-            "win64"
+            "win64",
+            "win-arm64"
           ]
         }
       ],
@@ -759,6 +766,12 @@
             "size": 123084,
             "url": "https://github.com/ninja-build/ninja/releases/download/v1.12.1/ninja-linux.zip"
           },
+          "linux-arm64": {
+            "rename_dist": "ninja-linux-arm64-v1.12.1.zip",
+            "sha256": "5c25c6570b0155e95fce5918cb95f1ad9870df5768653afe128db822301a05a1",
+            "size": 121787,
+            "url": "https://github.com/ninja-build/ninja/releases/download/v1.12.1/ninja-linux-aarch64.zip"
+          },
           "macos": {
             "rename_dist": "ninja-mac-v1.12.1.zip",
             "sha256": "89a287444b5b3e98f88a945afa50ce937b8ffd1dcc59c555ad9b1baf855298c9",
@@ -773,6 +786,12 @@
           },
           "name": "1.12.1",
           "status": "recommended",
+          "win-arm64": {
+            "rename_dist": "ninja-win-arm64-v1.12.1.zip",
+            "sha256": "79c96a50e0deafec212cfa85aa57c6b74003f52d9d1673ddcd1eab1c958c5900",
+            "size": 254317,
+            "url": "https://github.com/ninja-build/ninja/releases/download/v1.12.1/ninja-winarm64.zip"
+          },
           "win64": {
             "rename_dist": "ninja-win-v1.12.1.zip",
             "sha256": "f550fec705b6d6ff58f2db3c374c2277a37691678d6aba463adcbb129108467a",
diff --git a/tools/tools_schema.json b/tools/tools_schema.json
index c76eb6142d..824ec82b5c 100644
--- a/tools/tools_schema.json
+++ b/tools/tools_schema.json
@@ -174,6 +174,9 @@
         "win64": {
           "$ref": "#/definitions/platformDownloadInfo"
         },
+        "win-arm64": {
+          "$ref": "#/definitions/platformDownloadInfo"
+        },
         "any": {
           "$ref": "#/definitions/platformDownloadInfo"
         }
@@ -222,7 +225,7 @@
           "type": "array",
           "items": {
             "type": "string",
-            "enum": ["linux-i686", "linux-amd64", "linux-armel", "linux-armhf", "linux-arm64", "macos", "macos-arm64", "win32", "win64"]
+            "enum": ["linux-i686", "linux-amd64", "linux-armel", "linux-armhf", "linux-arm64", "macos", "macos-arm64", "win32", "win64", "win-arm64"]
           }
         },
         "export_paths": {