diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000..0d98ee8d2a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+src/chrome/android/profiles/afdo.prof
+src/chrome/build/pgo_profiles/
+src/gn/
+src/third_party/llvm-build/
+src/third_party/android_toolchain/
+src/out/
+.vscode/
+*.pyc