diff --git a/README.md b/README.md
index 82b3ae2..0997f84 100644
--- a/README.md
+++ b/README.md
@@ -19,8 +19,11 @@ MetamorPOV includes Node packages for verb conjugation. You'll need [Node](https
 # Install project dependencies
 npm install
 
-# Generate a .zip that can be loaded in a browser
+# Generate a .zip that can be loaded in Firefox
 npm run build
+
+# Generate a .zip that can be loaded in Chromium-based browsers
+npm run build-chrome
 ```
 
 ### Testing
@@ -35,6 +38,13 @@ npm run test
 npx rollup -c
 ```
 
+To test for Chrome, you will need to have Chromium installed.
+
+```sh
+# Open a browser instance, you will need to go to chrome://extensions and open the source folder manually
+npm run test-chrome
+```
+
 ## Copyright and License
 
 - Portions of MetamorPOV are derived from [InteractiveFics](https://github.com/interactivefics/interactive-fics), licensed under [MIT](third-party-licenses/LICENSE-InteractiveFics), copyrighted 2015-2023 by Mariam Maarouf.
diff --git a/flake.nix b/flake.nix
index 2dd18e9..c27db51 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,6 +15,7 @@
           buildInputs = [
             pkgs.nodejs_22
             pkgs.firefox
+            pkgs.chromium
           ];
         };
       });
diff --git a/package.json b/package.json
index 306c6ae..0aaa77b 100644
--- a/package.json
+++ b/package.json
@@ -11,8 +11,10 @@
   "author": "Jean Viscogliosi-Pate",
   "license": "GPL-3.0-or-later",
   "scripts": {
-    "test": "npx rollup -c && npx web-ext run -s src",
-    "build": "npx rollup -c && npx web-ext build -s src -a dist --ignore-files replace-words.js save-load-options.js icons/metamorpov.svg icons/svg-to-png.sh -o"
+    "test": "cp src/manifest-firefox.json src/manifest.json && npx rollup -c && npx web-ext run -s src && rm src/manifest.json",
+    "test-chrome": "cp src/manifest-chrome.json src/manifest.json && npx rollup -c && chromium && rm src/manifest.json",
+    "build": "cp src/manifest-firefox.json src/manifest.json && npx rollup -c && npx web-ext build -s src -a dist --ignore-files replace-words.js save-load-options.js manifest-* service-worker* -n {name}-{version}-firefox.zip -o && rm src/manifest.json",
+    "build-chrome": "cp src/manifest-chrome.json src/manifest.json && npx rollup -c && npx web-ext build -s src -a dist --ignore-files replace-words.js save-load-options.js manifest-* background.js -n {name}-{version}-chrome.zip -o && rm src/manifest.json"
   },
   "devDependencies": {
     "@rollup/plugin-commonjs": "28.0.2",