diff --git a/src/browser/base/content/zen-assets.inc.xhtml b/src/browser/base/content/zen-assets.inc.xhtml
index 0712bbac4..aede36ce4 100644
--- a/src/browser/base/content/zen-assets.inc.xhtml
+++ b/src/browser/base/content/zen-assets.inc.xhtml
@@ -1,6 +1,6 @@
 #include zen-locales.inc.xhtml
 
-<!-- Styles used all over the browser -->
+# Styles used all over the browser
 <linkset>
 <link rel="stylesheet" type="text/css" href="chrome://browser/content/zen-styles/zen-theme.css" />
 <link rel="stylesheet" type="text/css" href="chrome://browser/content/zen-styles/zen-animations.css" />
@@ -25,7 +25,7 @@
 <link rel="stylesheet" type="text/css" href="chrome://browser/skin/zen-icons/icons.css" />
 </linkset>
 
-<!-- Scripts used all over the browser -->
+# Scripts used all over the browser
 <script src="chrome://browser/content/zen-components/ZenThemesCommon.mjs" />
 <script src="chrome://browser/content/zen-components/ZenActorsManager.mjs" />
 <script src="chrome://browser/content/zen-components/ZenGlanceManager.mjs" />
@@ -40,3 +40,6 @@
 <script src="chrome://browser/content/zen-components/ZenGradientGenerator.mjs" />
 <script src="chrome://browser/content/zen-components/ZenViewSplitter.mjs"/>
 <script src="chrome://browser/content/zen-components/ZenProfileDialogUI.mjs" />
+
+# Unimportant scripts
+<script src="chrome://browser/content/zen-components/ZenRices.mjs" />
diff --git a/src/browser/base/content/zen-assets.jar.inc.mn b/src/browser/base/content/zen-assets.jar.inc.mn
index 7756c5659..10a2a4487 100644
--- a/src/browser/base/content/zen-assets.jar.inc.mn
+++ b/src/browser/base/content/zen-assets.jar.inc.mn
@@ -22,6 +22,7 @@
         content/browser/zen-components/ZenGradientGenerator.mjs (zen-components/ZenGradientGenerator.mjs)
         content/browser/zen-components/ZenGlanceManager.mjs     (zen-components/ZenGlanceManager.mjs)
         content/browser/zen-components/ZenActorsManager.mjs     (zen-components/ZenActorsManager.mjs)
+        content/browser/zen-components/ZenRices.mjs             (zen-components/ZenRices.mjs)
 
         content/browser/zen-styles/zen-theme.css                (content/zen-styles/zen-theme.css)
         content/browser/zen-styles/zen-buttons.css              (content/zen-styles/zen-buttons.css)
diff --git a/src/browser/base/zen-components/ZenRices.mjs b/src/browser/base/zen-components/ZenRices.mjs
new file mode 100644
index 000000000..b0f57b2b9
--- /dev/null
+++ b/src/browser/base/zen-components/ZenRices.mjs
@@ -0,0 +1,117 @@
+
+{
+  class ZenRiceCollector {
+    constructor() {}
+
+    clear() {
+      this._userChrome = null;
+      this._userContent = null;
+      this._enabledMods = null;
+      this._preferences = null;
+      this._workspaceThemes = null;
+    }
+
+    async gatherAll({
+        userUserChrome = true, userContent = true,
+        enabledMods = true, preferences = true,
+        modPrefs = true, workspaceThemes = true } = {}) {
+      this.clear();
+      // Get the mods first, as they may be needed for the preferences
+      if (enabledMods) {
+        await this.gatherEnabledMods();
+      }
+      await Promise.all([
+        userUserChrome && this.gatherUserChrome(),
+        userContent && this.gatherUserContent(),
+        preferences && this.gatherPreferences({ modPrefs }),
+        workspaceThemes && this.gatherWorkspaceThemes(),
+      ]);
+    }
+
+    get profileDir() {
+      return PathUtils.profileDir;
+    }
+
+    async gatherUserChrome() {
+      try {
+        const path = PathUtils.join(this.profileDir, 'chrome', 'userChrome.css');
+        this._userChrome = await IOUtils.readUTF8(path);
+      } catch (e) {
+        console.warn("[ZenRiceCollector]: Error reading userChrome.css: ", e);
+        return null;
+      }
+    }
+
+    async gatherUserContent() {
+      try {
+        const path = PathUtils.join(this.profileDir, 'chrome', 'userContent.css');
+        this._userContent = await IOUtils.readUTF8(path);
+      } catch (e) {
+        console.warn("[ZenRiceCollector]: Error reading userContent.css: ", e);
+        return null;
+      }
+    }
+
+    async gatherEnabledMods() {
+      const activeThemes = await gZenThemesImporter.getEnabledThemes();
+      if (activeThemes.length === 0) {
+        return;
+      }
+      this._enabledMods = activeThemes;
+    }
+
+    _getThemePrefValue(theme, pref) {
+      if (pref.type === 'checkbox') {
+        return Services.prefs.getBoolPref(pref.property);
+      }
+      return Services.prefs.getStringPref(pref.property);
+    }
+
+    async gatherPreferences({ modPrefs = true } = {}) {
+      this._preferences = {};
+      if (modPrefs && this._enabledMods) {
+        for (const theme of this._enabledMods) {
+          const prefs = await ZenThemesCommon.getThemePreferences(theme);
+          for (const pref of prefs) {
+            this._preferences[pref.property] = this._getThemePrefValue(theme, pref);
+          }
+        }
+      }
+      const boolPrefsToCollect = [
+        'zen.view.use-single-toolbar',
+        'zen.view.sidebar-expanded',
+        'zen.tabs.vertical.right-side',
+        'zen.view.experimental-no-window-controls',
+        'zen.view.hide-window-controls',
+      ];
+      const stringPrefsToCollect = [
+        'browser.uiCustomization.state'
+      ];
+      for (const pref of boolPrefsToCollect) {
+        this._preferences[pref] = Services.prefs.getBoolPref(pref);
+      }
+      for (const pref of stringPrefsToCollect) {
+        this._preferences[pref] = Services.prefs.getStringPref(pref);
+      }
+    }
+
+    async gatherWorkspaceThemes() {
+      const workspaces = (await ZenWorkspaces._workspaces()).workspaces;
+      this._workspaceThemes = workspaces.map(w => w.theme);
+    }
+
+    async packRice() {
+      await this.gatherAll();
+      const rice = {
+        userChrome: this._userChrome,
+        userContent: this._userContent,
+        enabledMods: this._enabledMods?.map(t => t.id),
+        preferences: this._preferences,
+        workspaceThemes: this._workspaceThemes,
+      };
+      return rice;
+    }
+  }
+
+  window.gZenRiceCollector = new ZenRiceCollector();
+}