diff --git a/qutebrowser/completion/models/instances.py b/qutebrowser/completion/models/instances.py
index 002a8a815..1a3a95d3f 100644
--- a/qutebrowser/completion/models/instances.py
+++ b/qutebrowser/completion/models/instances.py
@@ -29,7 +29,8 @@ import functools
 
 from PyQt5.QtCore import pyqtSlot
 
-from qutebrowser.completion.models import miscmodels, urlmodel, configmodel
+from qutebrowser.completion.models import (miscmodels, urlmodel, configmodel,
+                                           base)
 from qutebrowser.utils import objreg, usertypes, log, debug
 from qutebrowser.config import configdata
 
@@ -119,6 +120,13 @@ def init_session_completion():
     _instances[usertypes.Completion.sessions] = model
 
 
+def _init_empty_completion():
+    """Initialize empty completion model."""
+    log.completion.debug("Initializing empty completion.")
+    if usertypes.Completion.empty not in _instances:
+        _instances[usertypes.Completion.empty] = base.BaseCompletionModel()
+
+
 INITIALIZERS = {
     usertypes.Completion.command: _init_command_completion,
     usertypes.Completion.helptopic: _init_helptopic_completion,
@@ -130,6 +138,7 @@ INITIALIZERS = {
     usertypes.Completion.quickmark_by_name: init_quickmark_completions,
     usertypes.Completion.bookmark_by_url: init_bookmark_completions,
     usertypes.Completion.sessions: init_session_completion,
+    usertypes.Completion.empty: _init_empty_completion,
 }
 
 
diff --git a/qutebrowser/config/parsers/keyconf.py b/qutebrowser/config/parsers/keyconf.py
index 487659984..5d9e3fc0d 100644
--- a/qutebrowser/config/parsers/keyconf.py
+++ b/qutebrowser/config/parsers/keyconf.py
@@ -27,7 +27,7 @@ from PyQt5.QtCore import pyqtSignal, QObject
 
 from qutebrowser.config import configdata, textwrapper
 from qutebrowser.commands import cmdutils, cmdexc
-from qutebrowser.utils import log, utils, qtutils
+from qutebrowser.utils import log, utils, qtutils, message, usertypes
 
 
 class KeyConfigError(Exception):
@@ -150,19 +150,34 @@ class KeyConfigParser(QObject):
             data = str(self)
             f.write(data)
 
-    @cmdutils.register(instance='key-config', maxsplit=1, no_cmd_split=True)
-    def bind(self, key, command, *, mode=None, force=False):
+    @cmdutils.register(instance='key-config', maxsplit=1, no_cmd_split=True,
+                       win_id='win_id',
+                       completion=[usertypes.Completion.empty,
+                                   usertypes.Completion.command])
+    def bind(self, key, win_id, command=None, *, mode=None, force=False):
         """Bind a key to a command.
 
         Args:
             key: The keychain or special key (inside `<...>`) to bind.
-            command: The command to execute, with optional args.
+            command: The command to execute, with optional args, or None to
+                     print the current binding.
             mode: A comma-separated list of modes to bind the key in
                   (default: `normal`).
             force: Rebind the key if it is already bound.
         """
         if mode is None:
             mode = 'normal'
+
+        if command is None:
+            cmd = self.get_bindings_for(mode).get(key, None)
+            if cmd is None:
+                message.info(win_id, "{} is unbound in {} mode".format(
+                    key, mode))
+            else:
+                message.info(win_id, "{} is bound to '{}' in {} mode".format(
+                    key, cmd, mode))
+            return
+
         mode = self._normalize_sectname(mode)
         for m in mode.split(','):
             if m not in configdata.KEY_DATA:
diff --git a/qutebrowser/utils/usertypes.py b/qutebrowser/utils/usertypes.py
index 0af42b291..accbe9448 100644
--- a/qutebrowser/utils/usertypes.py
+++ b/qutebrowser/utils/usertypes.py
@@ -238,7 +238,8 @@ KeyMode = enum('KeyMode', ['normal', 'hint', 'command', 'yesno', 'prompt',
 # Available command completions
 Completion = enum('Completion', ['command', 'section', 'option', 'value',
                                  'helptopic', 'quickmark_by_name',
-                                 'bookmark_by_url', 'url', 'tab', 'sessions'])
+                                 'bookmark_by_url', 'url', 'tab', 'sessions',
+                                 'empty'])
 
 
 # Exit statuses for errors. Needs to be an int for sys.exit.
diff --git a/tests/integration/features/keyinput.feature b/tests/integration/features/keyinput.feature
index 1d930da24..656391de5 100644
--- a/tests/integration/features/keyinput.feature
+++ b/tests/integration/features/keyinput.feature
@@ -31,6 +31,20 @@ Feature: Keyboard input
         And I press the keys "test5"
         Then the message "test5-2" should be shown
 
+    Scenario: Printing an unbound key
+        When I run :bind test6
+        Then the message "test6 is not bound in normal mode" should be shown
+
+    Scenario: Printing a bound key
+        When I run :bind test6 message-info foo
+        And I run :bind test6
+        Then the message "test6 is bound to 'message-info foo' in normal mode" should be shown
+
+    Scenario: Printing a bound key in a given mode
+        When I run :bind --mode=caret test6 message-info bar
+        And I run :bind --mode=caret test6
+        Then the message "test6 is bound to 'message-info bar' in caret mode" should be shown
+
     # :unbind
 
     Scenario: Binding and unbinding a keychain