diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000..36e0b0c7cb
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,7 @@
+# Default: CRLF on checkout - primary tooling is Visual Studio / PowerShell on Windows.
+# Git always stores text as LF in the object store; eol= controls the working tree only.
+* text=auto eol=crlf
+
+# Patch files must stay LF - git apply matches content lines against the target source
+# tree, which vcpkg manages as LF internally
+*.patch text eol=lf