Index: src/applications/conduit/controller/PhabricatorConduitTokenController.php
===================================================================
--- src/applications/conduit/controller/PhabricatorConduitTokenController.php
+++ src/applications/conduit/controller/PhabricatorConduitTokenController.php
@@ -38,6 +38,8 @@
       'After you copy and paste this token, `arc` will complete '.
       'the certificate install process for you.');
 
+    Javelin::initBehavior('select-on-click');
+
     $form = id(new AphrontFormView())
       ->setUser($user)
       ->appendRemarkupInstructions($pre_instructions)
@@ -45,6 +47,8 @@
         id(new AphrontFormTextAreaControl())
           ->setLabel(pht('Token'))
           ->setHeight(AphrontFormTextAreaControl::HEIGHT_VERY_SHORT)
+          ->setReadonly(true)
+          ->setSigil('select-on-click')
           ->setValue($token->getToken()))
       ->appendRemarkupInstructions($post_instructions);
 
Index: src/applications/settings/panel/PhabricatorSettingsPanelConduit.php
===================================================================
--- src/applications/settings/panel/PhabricatorSettingsPanelConduit.php
+++ src/applications/settings/panel/PhabricatorSettingsPanelConduit.php
@@ -64,6 +64,8 @@
       $notice = null;
     }
 
+    Javelin::initBehavior('select-on-click');
+
     $cert_form = new AphrontFormView();
     $cert_form
       ->setUser($user)
@@ -77,6 +79,8 @@
         id(new AphrontFormTextAreaControl())
           ->setLabel(pht('Certificate'))
           ->setHeight(AphrontFormTextAreaControl::HEIGHT_SHORT)
+          ->setReadonly(true)
+          ->setSigil('select-on-click')
           ->setValue($user->getConduitCertificate()));
 
     $cert_form = id(new PHUIObjectBoxView())