diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e5b380b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,15 @@
+# Build outputs
+*.exe
+*.obj
+
+# Large capture spools and generated data dumps
+*.capture_spool.bin
+capture.csv
+capture.svg
+packets.csv
+packets.svg
+test.csv
+test.svg
+internal_default.csv
+internal_default.svg
+*_test.*