diff --git a/internal/policies/chromium/generator.go b/internal/policies/chromium/generator.go
index dd15f48..15e067d 100644
--- a/internal/policies/chromium/generator.go
+++ b/internal/policies/chromium/generator.go
@@ -46,7 +46,14 @@ func Generate(policies types.BrowserPolicyContent) (string, error) {
 
 	policiesTmpl["ExtensionInstallForcelist"] = ExtensionInstallForcelist
 	policiesTmpl["ExtensionInstallAllowlist"] = ExtensionInstallAllowlist
-	policiesTmpl["ExtensionInstallBlocklist"] = []interface{}{"*"}
+
+	if policies.InstallExtensions {
+		// Allow installation of extensions
+		policiesTmpl["ExtensionInstallBlocklist"] = []interface{}{}
+	} else {
+		// Disallow installation of extensions
+		policiesTmpl["ExtensionInstallBlocklist"] = []interface{}{"*"}
+	}
 
 	//
 	// Developer Tools
diff --git a/internal/policies/chromium/parser.go b/internal/policies/chromium/parser.go
index 76adc4d..a1cd0ef 100644
--- a/internal/policies/chromium/parser.go
+++ b/internal/policies/chromium/parser.go
@@ -35,6 +35,14 @@ func Parse(policiesJson string) (*types.BrowserPolicyContent, error) {
 		}
 	}
 
+	//
+	// Install Extensions
+	//
+
+	if val, ok := policiesTmpl["ExtensionInstallBlocklist"]; ok {
+		policies.InstallExtensions = len(val.([]interface{})) == 0
+	}
+
 	//
 	// Developer Tools
 	//
diff --git a/internal/policies/firefox/generator.go b/internal/policies/firefox/generator.go
index 02bed06..28e9f2d 100644
--- a/internal/policies/firefox/generator.go
+++ b/internal/policies/firefox/generator.go
@@ -20,13 +20,22 @@ func Generate(policies types.BrowserPolicyContent) (string, error) {
 		return "", err
 	}
 
+	//
+	// Install Extensions
+	//
+
+	installationMode := "blocked"
+	if policies.InstallExtensions {
+		installationMode = "allowed"
+	}
+
 	//
 	// Extensions
 	//
 
 	ExtensionSettings := map[string]interface{}{}
 	ExtensionSettings["*"] = map[string]interface{}{
-		"installation_mode": "blocked",
+		"installation_mode": installationMode,
 	}
 
 	for _, e := range policies.Extensions {
diff --git a/internal/policies/firefox/parser.go b/internal/policies/firefox/parser.go
index a950764..43a036d 100644
--- a/internal/policies/firefox/parser.go
+++ b/internal/policies/firefox/parser.go
@@ -32,6 +32,13 @@ func Parse(policiesJson string) (*types.BrowserPolicyContent, error) {
 		policies.Extensions = []types.BrowserPolicyExtension{}
 		for id, val := range extensions.(map[string]interface{}) {
 			if id == "*" {
+				//
+				// Install Extensions
+				//
+
+				if val, ok := val.(map[string]interface{})["installation_mode"]; ok {
+					policies.InstallExtensions = val.(string) == "allowed"
+				}
 				continue
 			}