diff --git a/core/modules/system/system.admin.inc b/core/modules/system/system.admin.inc
index 37a2bf2..f4d9959 100644
--- a/core/modules/system/system.admin.inc
+++ b/core/modules/system/system.admin.inc
@@ -788,6 +788,16 @@ function _system_is_incompatible(&$incompatible, $files, $file) {
  * @see system_modules_submit()
  */
 function system_modules($form, $form_state = array()) {
+  $form['filter_by'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Filter by'),
+    '#title_display' => 'invisible',
+    '#placeholder' => t('Search module name…'),
+    '#wrapper_attributes' => array(
+      'class' => array('js-show'),
+    ),
+  );
+
   // Get current list of modules.
   $files = system_rebuild_module_data();
 
diff --git a/core/modules/system/system.base.css b/core/modules/system/system.base.css
index 233c6d7..d145b5f 100644
--- a/core/modules/system/system.base.css
+++ b/core/modules/system/system.base.css
@@ -204,6 +204,17 @@ tr .ajax-progress-throbber .throbber {
 }
 
 /**
+ * For anything you want to show on page load only when JS is enabled.
+ */
+.js-show {
+  display: none;
+}
+
+.js .js-show {
+  display: block;
+}
+
+/**
  * Hide elements from all users.
  *
  * Used for elements which should not be immediately displayed to any user. An
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 17015c6..525f66c 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -2133,7 +2133,7 @@ function system_library_info() {
     ),
   );
   $libraries['drupal.system.modules'] = array(
-    'title' => 'System cron',
+    'title' => 'System modules',
     'version' => VERSION,
     'js' => array(
       drupal_get_path('module', 'system') . '/system.modules.js' => array(),
diff --git a/core/modules/system/system.modules.js b/core/modules/system/system.modules.js
index 0df6629..8cdad1b 100644
--- a/core/modules/system/system.modules.js
+++ b/core/modules/system/system.modules.js
@@ -64,4 +64,53 @@ Drupal.behaviors.hideModuleInformation = {
   }
 };
 
+/**
+ * Filter the module list based on the value of the "filter_by" field.
+ */
+Drupal.behaviors.filterModuleList = {
+  attach: function (context, settings) {
+    var $table = $('#system-modules').once('filter-module-list');
+    var $rowsAndDetails, $labels, $details;
+
+    function hidePackageDetails(index, element) {
+      // We must select the last table because the sticky headers
+      // functionality prepends another table.
+      var $details = $(element);
+      var $visibleRows = $details.find('table.sticky-enabled').find('tbody tr:visible');
+      $details.toggle($visibleRows.length > 0);
+    }
+
+    function filterModuleList (e) {
+      var query = $(e.target).val().toLowerCase();
+
+      function showModuleRow (index, element) {
+        var $element = $(element);
+        var textMatch = $element.text().toLowerCase().indexOf(query) !== -1;
+        $element.closest('tr').toggle(textMatch);
+      }
+
+      // Filter if the length of the query is at least 2 characters.
+      if (query.length >= 2) {
+        $labels.each(showModuleRow);
+
+        // Hide the package <details> if they don't have any visible rows.
+        // Note that we first show() all <details> to be able to use ':visible'.
+        $details.show().each(hidePackageDetails);
+      }
+      else if (query === '') {
+        $rowsAndDetails.show();
+      }
+    }
+
+    if ($table.length) {
+      $rowsAndDetails = $table.find('tr, details');
+      $labels = $table.find('label');
+      $details = $table.find('details');
+
+      // @todo use autofocus attribute when browser support is good enough.
+      $('#edit-filter-by').focus().on('keyup', filterModuleList);
+    }
+  }
+};
+
 }(jQuery, Drupal));