diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index f760cf14bc70..43f41079649a 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -3752,6 +3752,8 @@ let
         };
       };
 
+      nhoizey.gremlins = callPackage ./nhoizey.gremlins { };
+
       nimlang.nimlang = callPackage ./nimlang.nimlang { };
 
       njpwerner.autodocstring = buildVscodeMarketplaceExtension {
diff --git a/pkgs/applications/editors/vscode/extensions/nhoizey.gremlins/default.nix b/pkgs/applications/editors/vscode/extensions/nhoizey.gremlins/default.nix
new file mode 100644
index 000000000000..352a87b7be27
--- /dev/null
+++ b/pkgs/applications/editors/vscode/extensions/nhoizey.gremlins/default.nix
@@ -0,0 +1,19 @@
+{ lib, vscode-utils }:
+
+vscode-utils.buildVscodeMarketplaceExtension {
+  mktplcRef = {
+    name = "gremlins";
+    publisher = "nhoizey";
+    version = "0.26.0";
+    hash = "sha256-ML04SccSOrj5qY0HHJ5jiNbWkPElU1+zZNSX2i1K2uk=";
+  };
+
+  meta = {
+    changelog = "https://marketplace.visualstudio.com/items/nhoizey.gremlins/changelog";
+    description = "Reveals some characters that can be harmful because they are invisible or looking like legitimate ones";
+    downloadPage = "https://marketplace.visualstudio.com/items?itemName=nhoizey.gremlins";
+    homepage = "https://github.com/nhoizey/vscode-gremlins";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.theobori ];
+  };
+}