diff --git a/tools/WLED_ESP32_4MB_512KB_FS.csv b/tools/WLED_ESP32_4MB_512KB_FS.csv
new file mode 100644
index 000000000..5281a6124
--- /dev/null
+++ b/tools/WLED_ESP32_4MB_512KB_FS.csv
@@ -0,0 +1,7 @@
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,  0x5000,
+otadata,  data, ota,     0xe000,  0x2000,
+app0,     app,  ota_0,   0x10000, 0x1B0000,
+app1,     app,  ota_1,   0x1C0000,0x1B0000,
+spiffs,   data, spiffs,  0x370000,0x80000,
+coredump, data, coredump,,64K
\ No newline at end of file