Basic Keycodes

The basic set of keycodes are based on the HID Keyboard/Keypad Usage Page (0x07) with the exception of KC_NO, KC_TRNS and keycodes in the 0xA5-DF range. See below for more details.

Letters and Numbers

Key Description
KC_A a and A
KC_B b and B
KC_C c and C
KC_D d and D
KC_E e and E
KC_F f and F
KC_G g and G
KC_H h and H
KC_I i and I
KC_J j and J
KC_K k and K
KC_L l and L
KC_M m and M
KC_N n and N
KC_O o and O
KC_P p and P
KC_Q q and Q
KC_R r and R
KC_S s and S
KC_T t and T
KC_U u and U
KC_V v and V
KC_W w and W
KC_X x and X
KC_Y y and Y
KC_Z z and Z
KC_1 1 and !
KC_2 2 and @
KC_3 3 and #
KC_4 4 and $
KC_5 5 and %
KC_6 6 and ^
KC_7 7 and &
KC_8 8 and *
KC_9 9 and (
KC_0 0 and )

F Keys

Key Description
KC_F1
KC_F2
KC_F3
KC_F4
KC_F5
KC_F6
KC_F7
KC_F8
KC_F9
KC_F10
KC_F11
KC_F12
KC_F13
KC_F14
KC_F15
KC_F16
KC_F17
KC_F18
KC_F19
KC_F20
KC_F21
KC_F22
KC_F23
KC_F24

Punctuation

Key Aliases Description
KC_ENTER KC_ENT Return (Enter)
KC_ESCAPE KC_ESC Escape
KC_BSPACE KC_BSPC Delete (Backspace)
KC_TAB Tab
KC_SPACE KC_SPC Spacebar
KC_MINUS KC_MINS - and _
KC_EQUAL KC_EQL = and +
KC_LBRACKET KC_LBRC [ and {
KC_RBRACKET KC_RBRC ] and }
KC_BSLASH KC_BSLS \ and |
KC_NONUS_HASH KC_NUHS Non-US # and ~
KC_NONUS_BSLASH KC_NUBS Non-US \ and |
KC_INT1 KC_RO JIS \ and |
KC_INT2 KC_KANA JIS Katakana/Hiragana
KC_INT3 KC_JYEN JIS ¥
KC_SCOLON KC_SCLN ; and :
KC_QUOTE KC_QUOT ' and "
KC_GRAVE KC_GRV ` and ~
KC_COMMA KC_COMM , and <
KC_DOT . and >
KC_SLASH KC_SLSH / and ?
KC_CAPSLOCK KC_CAPS Caps Lock

Modifiers

Key Aliases Description
KC_LCTRL KC_LCTL Left Control
KC_LSHIFT KC_LSFT Left Shift
KC_LALT Left Alt
KC_LGUI Left GUI (Windows/Command/Meta key)
KC_RCTRL KC_RCTL Right Control
KC_RSHIFT KC_RSFT Right Shift
KC_RALT Right Alt
KC_RGUI Right GUI (Windows/Command/Meta key)
KC_LOCKING_CAPS KC_LCAP Locking Caps Lock
KC_LOCKING_NUM KC_LNUM Locking Num Lock
KC_LOCKING_SCROLL KC_LSCR Locking Scroll Lock
KC_INT4 KC_HENK JIS Henkan
KC_INT5 KC_MHEN JIS Muhenkan

Commands

Key Aliases Description
KC_PSCREEN KC_PSCR Print Screen
KC_SCROLLLOCK KC_SLCK Scroll Lock
KC_PAUSE KC_PAUS Pause
KC_INSERT KC_INS Insert
KC_HOME Home
KC_PGUP Page Up
KC_DELETE KC_DEL Forward Delete
KC_END End
KC_PGDOWN KC_PGDN Page Down
KC_RIGHT KC_RGHT Right Arrow
KC_LEFT Left Arrow
KC_DOWN Down Arrow
KC_UP Up Arrow
KC_APPLICATION KC_APP Application (Windows Menu Key)
KC_POWER Power
KC_EXECUTE Execute
KC_HELP Help
KC_MENU Menu
KC_SELECT Select
KC_AGAIN Again
KC_UNDO Undo
KC_CUT Cut
KC_COPY Copy
KC_PASTE Paste
KC_FIND Find
KC_ALT_ERASE Alternate Erase
KC_SYSREQ SysReq/Attention
KC_CANCEL Cancel
KC_CLEAR Clear
KC_PRIOR Prior
KC_RETURN Return
KC_SEPARATOR Separator
KC_OUT Out
KC_OPER Oper
KC_CLEAR_AGAIN Clear/Again
KC_CRSEL CrSel/Props
KC_EXSEL ExSel

Media Keys

These keycodes are not part of the Keyboard/Keypad usage page. The SYSTEM_ keycodes are found in the Generic Desktop page, and the rest are located in the Consumer page.

Windows and macOS use different keycodes for "next track" and "previous track". Make sure you choose the keycode that corresponds to your OS.

Key Aliases Description
KC_SYSTEM_POWER KC_PWR System Power Down
KC_SYSTEM_SLEEP KC_SLEP System Sleep
KC_SYSTEM_WAKE KC_WAKE System Wake
KC_MAIL KC_MAIL
KC_CALCULATOR KC_CALC
KC_MY_COMPUTER KC_MYCM
KC_WWW_SEARCH KC_WSCH
KC_WWW_HOME KC_WHOM
KC_WWW_BACK KC_WBAK
KC_WWW_FORWARD KC_WFWD
KC_WWW_STOP KC_WSTP
KC_WWW_REFRESH KC_WREF
KC_STOP Stop
KC_WWW_FAVORITES KC_WFAV
KC__MUTE Mute (macOS)
KC__VOLUP Volume Up (macOS)
KC__VOLDOWN Volume Down (macOS)
KC_AUDIO_MUTE KC_MUTE Mute (Windows/macOS/Linux)
KC_AUDIO_VOL_UP KC_VOLU Volume Up (Windows/macOS/Linux)
KC_AUDIO_VOL_DOWN KC_VOLD Volume Down (Windows/macOS/Linux)
KC_MEDIA_NEXT_TRACK KC_MNXT Next Track (Windows)
KC_MEDIA_PREV_TRACK KC_MPRV Previous Track (Windows)
KC_MEDIA_FAST_FORWARD KC_MFFD Next Track (macOS)
KC_MEDIA_REWIND KC_MRWD Previous Track (macOS)
KC_MEDIA_STOP KC_MSTP Stop Track
KC_MEDIA_PLAY_PAUSE KC_MPLY Play/Pause Track
KC_MEDIA_SELECT KC_MSEL

Number Pad

Key Aliases Description
KC_NUMLOCK KC_NLCK Keypad Num Lock and Clear
KC_KP_SLASH KC_PSLS Keypad /
KC_KP_ASTERISK KC_PAST Keypad *
KC_KP_MINUS KC_PMNS Keypad -
KC_KP_PLUS KC_PPLS Keypad +
KC_KP_ENTER KC_PENT Keypad Enter
KC_KP_1 KC_P1 Keypad 1 and End
KC_KP_2 KC_P2 Keypad 2 and Down Arrow
KC_KP_3 KC_P3 Keypad 3 and Page Down
KC_KP_4 KC_P4 Keypad 4 and Left Arrow
KC_KP_5 KC_P5 Keypad 5
KC_KP_6 KC_P6 Keypad 6 and Right Arrow
KC_KP_7 KC_P7 Keypad 7 and Home
KC_KP_8 KC_P8 Keypad 8 and Up Arrow
KC_KP_9 KC_P9 Keypad 9 and Page Up
KC_KP_0 KC_P0 Keypad 0 and Insert
KC_KP_DOT KC_PDOT Keypad . and Delete
KC_KP_EQUAL KC_PEQL Keypad =
KC_KP_COMMA KC_PCMM Keypad ,
KC_KP_EQUAL_AS400 Keypad = on AS/400 keyboards

Special Keys

In addition to these, keycodes in the range of 0xA5-DF are reserved for internal use by TMK.

Key Aliases Description
KC_NO Ignore this key (NOOP)
KC_TRANSPARENT KC_TRNS Use the next lowest non-transparent key

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