diff --git a/README.md b/README.md
index 736480f..6c0bc9d 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,7 @@ home-manager switch --flake github:Logan-Lin/nix-config#yanlin
 | `<Space>w` | Normal | Save file |
 | `<Space>q` | Normal | Quit |
 | `<Space>o` | Normal | Open file with system default app |
+| `<Space>f` | Normal | Show current file in Finder |
 | `<Space>y` | Normal/Visual | Copy to system clipboard |
 | `<Space>p` | Normal/Visual | Paste from system clipboard |
 | `<Space>gs` | Normal | Git status |
diff --git a/nvim.nix b/nvim.nix
index 509359e..5bd1b45 100644
--- a/nvim.nix
+++ b/nvim.nix
@@ -139,6 +139,12 @@
         action = ":silent !open %<CR>";
         options = { desc = "Open file with system default app"; };
       }
+      {
+        mode = "n";
+        key = "<leader>f";
+        action = ":silent !open -R %<CR>";
+        options = { desc = "Show current file in Finder"; };
+      }
 
       # Git keymaps (vim-fugitive)
       {