diff --git a/config/config.c b/config/config.c
index d33a8303..a36097c5 100644
--- a/config/config.c
+++ b/config/config.c
@@ -66,6 +66,8 @@ Settings config = {
     .run_list_command  = "",
     /** Command executed when running application in terminal */
     .run_shell_command = "{terminal} -e {cmd}",
+    /** Command executed on accep-entry-custom for window modus */
+    .window_command = "xkill -id {window}",
     /**
      * Location of the window.
      * Enumeration indicating location or gravity of window.
diff --git a/doc/rofi-manpage.markdown b/doc/rofi-manpage.markdown
index 31da0a27..0e71767c 100644
--- a/doc/rofi-manpage.markdown
+++ b/doc/rofi-manpage.markdown
@@ -22,6 +22,7 @@
 [ -filter *filter* ]
 [ -ssh-client *client* ]
 [ -ssh-command *command* ]
+[ -window-command *command* ]
 [ -disable-history ]
 [ -levenshtein-sort ]
 [ -case-sensitive ]
@@ -448,6 +449,13 @@ If set, use an external tool to generate list of executable commands. Uses 'run-
 
 Default: *""*
 
+`-window-command` *cmd*
+
+Set command to execute on selected window for custom action.
+See *PATTERN*.
+
+Default: *"xkill -id {window}"*
+
 ### Combi settings
 
 `-combi-modi` *mode1,mode2*
@@ -713,11 +721,13 @@ A keybinding starting with `!` will act when all keys have been released.
 
 Show a list of all the windows and allow switching between them.
 Pressing the `delete-entry` binding (`shift-delete`) will kill the window.
+Pressing the `accept-custom` binding (`control-enter` or `shift-enter`) will run a command on the window.
 
 ### WindowCD
 
 Shows a list of the windows on the current desktop and allows switching between them.
 Pressing the `delete-entry` binding (`shift-delete`) will kill the window.
+Pressing the `accept-custom` binding (`control-enter` or `shift-enter`) will run a command on the window.
 
 ### Run
 
diff --git a/doc/rofi.1 b/doc/rofi.1
index 5654b70b..190f1ac0 100644
--- a/doc/rofi.1
+++ b/doc/rofi.1
@@ -7,7 +7,7 @@
 \fBrofi\fR \- A window switcher, run launcher, ssh dialog and dmenu replacement
 .
 .SH "SYNOPSIS"
-\fBrofi\fR [ \-width \fIpct_scr\fR ] [ \-lines \fIlines\fR ] [ \-columns \fIcolumns\fR ] [ \-font \fIpangofont\fR ] [ \-terminal \fIterminal\fR ] [ \-location \fIposition\fR ] [ \-fixed\-num\-lines ] [ \-padding \fIpadding\fR ] [ \-opacity \fIopacity%\fR ] [ \-display \fIdisplay\fR ] [ \-bw \fIwidth\fR ] [ \-dmenu [ \-p \fIprompt\fR ] [ \-sep \fIseparator\fR ] [ \-l \fIselected line\fR ] [ \-mesg ] [ \-select ] [ \-input \fIinput\fR ] ] [ \-filter \fIfilter\fR ] [ \-ssh\-client \fIclient\fR ] [ \-ssh\-command \fIcommand\fR ] [ \-disable\-history ] [ \-levenshtein\-sort ] [ \-case\-sensitive ] [ \-show \fImode\fR ] [ \-modi \fImode1,mode2\fR ] [ \-eh \fIelement height\fR ] [ \-lazy\-filter\-limit \fIlimit\fR ] [ \-e \fImessage\fR] [ \-a \fIrow\fR ] [ \-u \fIrow\fR ] [ \-pid \fIpath\fR ] [ \-now ] [ \-rnow ] [ \-snow ] [ \-version ] [ \-help ] [ \-dump\-xresources ] [ \-dump\-xresources\-theme ] [ \-auto\-select ] [ \-parse\-hosts ] [ \-no\-parse\-known\-hosts ] [ \-combi\-modi \fImode1,mode2\fR ] [ \-normal\-window ] [ \-fake\-transparency ] [ \-glob ] [ \-regex ] [ \-tokenize ] [ \-threads \fInum\fR ] [ \-config \fIfilename\fR ]
+\fBrofi\fR [ \-width \fIpct_scr\fR ] [ \-lines \fIlines\fR ] [ \-columns \fIcolumns\fR ] [ \-font \fIpangofont\fR ] [ \-terminal \fIterminal\fR ] [ \-location \fIposition\fR ] [ \-fixed\-num\-lines ] [ \-padding \fIpadding\fR ] [ \-opacity \fIopacity%\fR ] [ \-display \fIdisplay\fR ] [ \-bw \fIwidth\fR ] [ \-dmenu [ \-p \fIprompt\fR ] [ \-sep \fIseparator\fR ] [ \-l \fIselected line\fR ] [ \-mesg ] [ \-select ] [ \-input \fIinput\fR ] ] [ \-filter \fIfilter\fR ] [ \-ssh\-client \fIclient\fR ] [ \-ssh\-command \fIcommand\fR ] [ \-window\-command \fIcommand\fR ] [ \-disable\-history ] [ \-levenshtein\-sort ] [ \-case\-sensitive ] [ \-show \fImode\fR ] [ \-modi \fImode1,mode2\fR ] [ \-eh \fIelement height\fR ] [ \-lazy\-filter\-limit \fIlimit\fR ] [ \-e \fImessage\fR] [ \-a \fIrow\fR ] [ \-u \fIrow\fR ] [ \-pid \fIpath\fR ] [ \-now ] [ \-rnow ] [ \-snow ] [ \-version ] [ \-help ] [ \-dump\-xresources ] [ \-dump\-xresources\-theme ] [ \-auto\-select ] [ \-parse\-hosts ] [ \-no\-parse\-known\-hosts ] [ \-combi\-modi \fImode1,mode2\fR ] [ \-normal\-window ] [ \-fake\-transparency ] [ \-glob ] [ \-regex ] [ \-tokenize ] [ \-threads \fInum\fR ] [ \-config \fIfilename\fR ]
 .
 .SH "DESCRIPTION"
 \fBrofi\fR is an X11 popup window switcher, run dialog, dmenu replacement and more\. It focuses on being fast to use and have minimal distraction\. It supports keyboard and mouse navigation, type to filter, tokenized search and more\.
@@ -728,6 +728,15 @@ If set, use an external tool to generate list of executable commands\. Uses \'ru
 .P
 Default: \fI""\fR
 .
+.P
+\fB\-window\-command\fR \fIcmd\fR
+.
+.P
+Set command to execute on selected window for custom action\. See \fIPATTERN\fR\.
+.
+.P
+Default: \fI"xkill \-id {window}"\fR
+.
 .SS "Combi settings"
 \fB\-combi\-modi\fR \fImode1,mode2\fR
 .
@@ -1166,10 +1175,10 @@ A keybinding starting with \fB!\fR will act when all keys have been released\.
 .SH "Available Modi"
 .
 .SS "Window"
-Show a list of all the windows and allow switching between them\. Pressing the \fBdelete\-entry\fR binding (\fBshift\-delete\fR) will kill the window\.
+Show a list of all the windows and allow switching between them\. Pressing the \fBdelete\-entry\fR binding (\fBshift\-delete\fR) will kill the window\. Pressing the \fBaccept\-custom\fR binding (\fBcontrol\-enter\fR or \fBshift\-enter\fR) will run a command on the window\.
 .
 .SS "WindowCD"
-Shows a list of the windows on the current desktop and allows switching between them\. Pressing the \fBdelete\-entry\fR binding (\fBshift\-delete\fR) will kill the window\.
+Shows a list of the windows on the current desktop and allows switching between them\. Pressing the \fBdelete\-entry\fR binding (\fBshift\-delete\fR) will kill the window\. Pressing the \fBaccept\-custom\fR binding (\fBcontrol\-enter\fR or \fBshift\-enter\fR) will run a command on the window\.
 .
 .SS "Run"
 Shows a list of executables in \fB$PATH\fR and can launch them (optional in a terminal)\. Pressing the \fBaccept\-custom\fR binding (\fBcontrol\-enter\fR or \fBshift\-enter\fR) will run the command in a terminal\.
diff --git a/include/settings.h b/include/settings.h
index cb741a1d..4ac38af8 100644
--- a/include/settings.h
+++ b/include/settings.h
@@ -71,6 +71,8 @@ typedef struct
     char           * run_shell_command;
     /** Command for listing executables */
     char           * run_list_command;
+    /** Command for window */
+    char           * window_command;
 
     /** Windows location/gravity */
     WindowLocation location;
diff --git a/source/dialogs/window.c b/source/dialogs/window.c
index 2a9cedb0..5e5dd63e 100644
--- a/source/dialogs/window.c
+++ b/source/dialogs/window.c
@@ -526,6 +526,34 @@ static int window_mode_init_cd ( Mode *sw )
     }
     return TRUE;
 }
+
+static inline int act_on_window ( xcb_window_t window )
+{
+    int  retv   = TRUE;
+    char **args = NULL;
+    int  argc   = 0;
+    char window_str[100]; /* We are probably safe here */
+
+    g_snprintf(window_str, sizeof window_str, "%d", window);
+
+    helper_parse_setup ( config.window_command, &args, &argc, "{window}", window_str, NULL );
+
+    GError *error = NULL;
+    g_spawn_async ( NULL, args, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, &error );
+    if ( error != NULL ) {
+        char *msg = g_strdup_printf ( "Failed to execute action for window: '%s'\nError: '%s'", window_str, error->message );
+        rofi_view_error_dialog ( msg, FALSE  );
+        g_free ( msg );
+        // print error.
+        g_error_free ( error );
+        retv = FALSE;
+    }
+
+    // Free the args list.
+    g_strfreev ( args );
+    return retv;
+}
+
 static ModeMode window_mode_result ( Mode *sw, int mretv, G_GNUC_UNUSED char **input,
                                      unsigned int selected_line )
 {
@@ -541,7 +569,10 @@ static ModeMode window_mode_result ( Mode *sw, int mretv, G_GNUC_UNUSED char **i
         retv = ( mretv & MENU_LOWER_MASK );
     }
     else if ( ( mretv & ( MENU_OK ) ) && rmpd->cmd_list[selected_line] ) {
-        if ( rmpd->config_i3_mode ) {
+        if ( mretv & MENU_CUSTOM_ACTION ) {
+            act_on_window ( rmpd->ids->array[selected_line] );
+        }
+        else if ( rmpd->config_i3_mode ) {
             // Hack for i3.
             i3_support_focus_window ( rmpd->ids->array[selected_line] );
         }
diff --git a/source/xrmoptions.c b/source/xrmoptions.c
index d9d82b14..66a1494a 100644
--- a/source/xrmoptions.c
+++ b/source/xrmoptions.c
@@ -116,6 +116,8 @@ static XrmOption xrmOptions[] = {
       "Command to get extra run targets"                                    },
     { xrm_String,  "run-shell-command", { .str  = &config.run_shell_command  }, NULL,
       "Run command to execute that runs in shell"                           },
+    { xrm_String,  "window-command",    { .str  = &config.window_command     }, NULL,
+      "Command executed on accep-entry-custom for window modus"             },
 
     { xrm_Boolean, "disable-history",   { .num  = &config.disable_history    }, NULL,
       "Disable history in run/ssh"                                          },