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Keycodes Overview

When defining a keymap each key needs a valid key definition. This page documents the symbols that correspond to keycodes that are available to you in QMK.

This is a reference only. Each group of keys links to the page documenting their functionality in more detail.

Basic Keycodes :id=basic-keycodes

See also: Basic Keycodes

Key Aliases Description Windows macOS Linux1
KC_NO XXXXXXX Ignore this key (NOOP) N/A N/A N/A
KC_TRANSPARENT KC_TRNS, _______ Use the next lowest non-transparent key N/A N/A N/A
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 ) ✔ ✔ ✔
KC_ENTER KC_ENT Return (Enter) ✔ ✔ ✔
KC_ESCAPE KC_ESC Escape ✔ ✔ ✔
KC_BACKSPACE KC_BSPC Delete (Backspace) ✔ ✔ ✔
KC_TAB Tab ✔ ✔ ✔
KC_SPACE KC_SPC Spacebar ✔ ✔ ✔
KC_MINUS KC_MINS - and _ ✔ ✔ ✔
KC_EQUAL KC_EQL = and + ✔ ✔ ✔
KC_LEFT_BRACKET KC_LBRC [ and { ✔ ✔ ✔
KC_RIGHT_BRACKET KC_RBRC ] and } ✔ ✔ ✔
KC_BACKSLASH KC_BSLS \ and | ✔ ✔ ✔
KC_NONUS_HASH KC_NUHS Non-US # and ~ ✔ ✔ ✔
KC_SEMICOLON 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_CAPS_LOCK KC_CAPS Caps Lock ✔ ✔ ✔
KC_F1 F1 ✔ ✔ ✔
KC_F2 F2 ✔ ✔ ✔
KC_F3 F3 ✔ ✔ ✔
KC_F4 F4 ✔ ✔ ✔
KC_F5 F5 ✔ ✔ ✔
KC_F6 F6 ✔ ✔ ✔
KC_F7 F7 ✔ ✔ ✔
KC_F8 F8 ✔ ✔ ✔
KC_F9 F9 ✔ ✔ ✔
KC_F10 F10 ✔ ✔ ✔
KC_F11 F11 ✔ ✔ ✔
KC_F12 F12 ✔ ✔ ✔
KC_PRINT_SCREEN KC_PSCR Print Screen ✔ ✔2 ✔
KC_SCROLL_LOCK KC_SCRL, KC_BRMD Scroll Lock, Brightness Down (macOS) ✔ ✔2 ✔
KC_PAUSE KC_PAUS, KC_BRK, KC_BRMU Pause, Brightness Up (macOS) ✔ ✔2 ✔
KC_INSERT KC_INS Insert ✔ ✔
KC_HOME Home ✔ ✔ ✔
KC_PAGE_UP KC_PGUP Page Up ✔ ✔ ✔
KC_DELETE KC_DEL Forward Delete ✔ ✔ ✔
KC_END End ✔ ✔ ✔
KC_PAGE_DOWN KC_PGDN Page Down ✔ ✔ ✔
KC_RIGHT KC_RGHT Right Arrow ✔ ✔ ✔
KC_LEFT Left Arrow ✔ ✔ ✔
KC_DOWN Down Arrow ✔ ✔ ✔
KC_UP Up Arrow ✔ ✔ ✔
KC_NUM_LOCK KC_NUM 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_NONUS_BACKSLASH KC_NUBS Non-US \ and | ✔ ✔ ✔
KC_APPLICATION KC_APP Application (Windows Context Menu Key) ✔ ✔
KC_KB_POWER System Power ✔3 ✔
KC_KP_EQUAL KC_PEQL Keypad = ✔ ✔ ✔
KC_F13 F13 ✔ ✔ ✔
KC_F14 F14 ✔ ✔ ✔
KC_F15 F15 ✔ ✔ ✔
KC_F16 F16 ✔ ✔ ✔
KC_F17 F17 ✔ ✔ ✔
KC_F18 F18 ✔ ✔ ✔
KC_F19 F19 ✔ ✔ ✔
KC_F20 F20 ✔ ✔
KC_F21 F21 ✔ ✔
KC_F22 F22 ✔ ✔
KC_F23 F23 ✔ ✔
KC_F24 F24 ✔ ✔
KC_EXECUTE KC_EXEC Execute ✔
KC_HELP Help ✔
KC_MENU Menu ✔
KC_SELECT KC_SLCT Select ✔
KC_STOP Stop ✔
KC_AGAIN KC_AGIN Again ✔
KC_UNDO Undo ✔
KC_CUT Cut ✔
KC_COPY Copy ✔
KC_PASTE KC_PSTE Paste ✔
KC_FIND Find ✔
KC_KB_MUTE Mute ✔ ✔
KC_KB_VOLUME_UP Volume Up ✔ ✔
KC_KB_VOLUME_DOWN Volume Down ✔ ✔
KC_LOCKING_CAPS_LOCK KC_LCAP Locking Caps Lock ✔ ✔
KC_LOCKING_NUM_LOCK KC_LNUM Locking Num Lock ✔ ✔
KC_LOCKING_SCROLL_LOCK KC_LSCR Locking Scroll Lock ✔ ✔
KC_KP_COMMA KC_PCMM Keypad , ✔
KC_KP_EQUAL_AS400 Keypad = on AS/400 keyboards
KC_INTERNATIONAL_1 KC_INT1 International 1 ✔ ✔
KC_INTERNATIONAL_2 KC_INT2 International 2 ✔ ✔
KC_INTERNATIONAL_3 KC_INT3 International 3 ✔ ✔
KC_INTERNATIONAL_4 KC_INT4 International 4 ✔ ✔
KC_INTERNATIONAL_5 KC_INT5 International 5 ✔ ✔
KC_INTERNATIONAL_6 KC_INT6 International 6 ✔
KC_INTERNATIONAL_7 KC_INT7 International 7
KC_INTERNATIONAL_8 KC_INT8 International 8
KC_INTERNATIONAL_9 KC_INT9 International 9
KC_LANGUAGE_1 KC_LNG1 Language 1 ✔
KC_LANGUAGE_2 KC_LNG2 Language 2 ✔
KC_LANGUAGE_3 KC_LNG3 Language 3 ✔
KC_LANGUAGE_4 KC_LNG4 Language 4 ✔
KC_LANGUAGE_5 KC_LNG5 Language 5 ✔
KC_LANGUAGE_6 KC_LNG6 Language 6
KC_LANGUAGE_7 KC_LNG7 Language 7
KC_LANGUAGE_8 KC_LNG8 Language 8
KC_LANGUAGE_9 KC_LNG9 Language 9
KC_ALTERNATE_ERASE KC_ERAS Alternate Erase
KC_SYSTEM_REQUEST KC_SYRQ SysReq/Attention
KC_CANCEL KC_CNCL Cancel
KC_CLEAR KC_CLR Clear ✔
KC_PRIOR KC_PRIR Prior
KC_RETURN KC_RETN Return
KC_SEPARATOR KC_SEPR Separator
KC_OUT Out
KC_OPER Oper
KC_CLEAR_AGAIN KC_CLAG Clear/Again
KC_CRSEL KC_CRSL CrSel/Props
KC_EXSEL KC_EXSL ExSel
KC_LEFT_CTRL KC_LCTL Left Control ✔ ✔ ✔
KC_LEFT_SHIFT KC_LSFT Left Shift ✔ ✔ ✔
KC_LEFT_ALT KC_LALT, KC_LOPT Left Alt (Option) ✔ ✔ ✔
KC_LEFT_GUI KC_LGUI, KC_LCMD, KC_LWIN Left GUI (Windows/Command/Meta key) ✔ ✔ ✔
KC_RIGHT_CTRL KC_RCTL Right Control ✔ ✔ ✔
KC_RIGHT_SHIFT KC_RSFT Right Shift ✔ ✔ ✔
KC_RIGHT_ALT KC_RALT, KC_ROPT, KC_ALGR Right Alt (Option/AltGr) ✔ ✔ ✔
KC_RIGHT_GUI KC_RGUI, KC_RCMD, KC_RWIN Right GUI (Windows/Command/Meta key) ✔ ✔ ✔
KC_SYSTEM_POWER KC_PWR System Power Down ✔ ✔3 ✔
KC_SYSTEM_SLEEP KC_SLEP System Sleep ✔ ✔3 ✔
KC_SYSTEM_WAKE KC_WAKE System Wake ✔3 ✔
KC_AUDIO_MUTE KC_MUTE Mute ✔ ✔ ✔
KC_AUDIO_VOL_UP KC_VOLU Volume Up ✔ ✔4 ✔
KC_AUDIO_VOL_DOWN KC_VOLD Volume Down ✔ ✔4 ✔
KC_MEDIA_NEXT_TRACK KC_MNXT Next Track ✔ ✔5 ✔
KC_MEDIA_PREV_TRACK KC_MPRV Previous Track ✔ ✔5 ✔
KC_MEDIA_STOP KC_MSTP Stop Track ✔ ✔
KC_MEDIA_PLAY_PAUSE KC_MPLY Play/Pause Track ✔ ✔ ✔
KC_MEDIA_SELECT KC_MSEL Launch Media Player ✔ ✔
KC_MEDIA_EJECT KC_EJCT Eject ✔ ✔
KC_MAIL Launch Mail ✔ ✔
KC_CALCULATOR KC_CALC Launch Calculator ✔ ✔
KC_MY_COMPUTER KC_MYCM Launch My Computer ✔ ✔
KC_WWW_SEARCH KC_WSCH Browser Search ✔ ✔
KC_WWW_HOME KC_WHOM Browser Home ✔ ✔
KC_WWW_BACK KC_WBAK Browser Back ✔ ✔
KC_WWW_FORWARD KC_WFWD Browser Forward ✔ ✔
KC_WWW_STOP KC_WSTP Browser Stop ✔ ✔
KC_WWW_REFRESH KC_WREF Browser Refresh ✔ ✔
KC_WWW_FAVORITES KC_WFAV Browser Favorites ✔ ✔
KC_MEDIA_FAST_FORWARD KC_MFFD Next Track ✔ ✔5 ✔
KC_MEDIA_REWIND KC_MRWD Previous Track ✔6 ✔5 ✔
KC_BRIGHTNESS_UP KC_BRIU Brightness Up ✔ ✔ ✔
KC_BRIGHTNESS_DOWN KC_BRID Brightness Down ✔ ✔ ✔

1. The Linux kernel HID driver recognizes nearly all keycodes, but the default bindings depend on the DE/WM.
2. Treated as F13-F15.
3. Must be held for about three seconds, and will display a prompt instead.
4. Holding Shift+Option allows for finer control of volume level.
5. Skips the entire track in iTunes when tapped, seeks within the current track when held.
6. WMP does not recognize the Rewind key, but both alter playback speed in VLC.

Quantum Keycodes :id=quantum-keycodes

See also: Quantum Keycodes

Key Aliases Description
RESET Put the keyboard into bootloader mode for flashing
DEBUG Toggle debug mode
EEPROM_RESET EEP_RST Reinitializes the keyboard's EEPROM (persistent memory)

Audio Keys :id=audio-keys

See also: Audio

Key Aliases Description
AU_ON Turns on Audio Feature
AU_OFF Turns off Audio Feature
AU_TOG Toggles Audio state
CLICKY_TOGGLE CK_TOGG Toggles Audio clicky mode
CLICKY_UP CK_UP Increases frequency of the clicks
CLICKY_DOWN CK_DOWN Decreases frequency of the clicks
CLICKY_RESET CK_RST Resets frequency to default
MU_ON Turns on Music Mode
MU_OFF Turns off Music Mode
MU_TOG Toggles Music Mode
MU_MOD Cycles through the music modes

Backlighting :id=backlighting

See also: Backlighting

Key Description
BL_TOGG Turn the backlight on or off
BL_STEP Cycle through backlight levels
BL_ON Set the backlight to max brightness
BL_OFF Turn the backlight off
BL_INC Increase the backlight level
BL_DEC Decrease the backlight level
BL_BRTG Toggle backlight breathing

Bluetooth :id=bluetooth

See also: Bluetooth

Key Description
OUT_AUTO Automatically switch between USB and Bluetooth
OUT_USB USB only
OUT_BT Bluetooth only

Dynamic Macros :id=dynamic-macros

See also: Dynamic Macros

Key Aliases Description
DYN_REC_START1 DM_REC1 Start recording Macro 1
DYN_REC_START2 DM_REC2 Start recording Macro 2
DYN_MACRO_PLAY1 DM_PLY1 Replay Macro 1
DYN_MACRO_PLAY2 DM_PLY2 Replay Macro 2
DYN_REC_STOP DM_RSTP Finish the macro that is currently being recorded.

Grave Escape :id=grave-escape

See also: Grave Escape

Key Aliases Description
GRAVE_ESC KC_GESC Escape when pressed, ` when Shift or GUI are held

Key Lock :id=key-lock

See also: Key Lock

Key Description
KC_LOCK Hold down the next key pressed, until the key is pressed again

Layer Switching :id=layer-switching

See also: Layer Switching

Key Description
DF(layer) Set the base (default) layer
MO(layer) Momentarily turn on layer when pressed (requires KC_TRNS on destination layer)
OSL(layer) Momentarily activates layer until a key is pressed. See One Shot Keys for details.
LM(layer, mod) Momentarily turn on layer (like MO) with mod active as well. Where mod is a mods_bit. Mods can be viewed here. Example Implementation: LM(LAYER_1, MOD_LALT)
LT(layer, kc) Turn on layer when held, kc when tapped
TG(layer) Toggle layer on or off
TO(layer) Turns on layer and turns off all other layers, except the default layer
TT(layer) Normally acts like MO unless it's tapped multiple times, which toggles layer on

Leader Key :id=leader-key

See also: Leader Key

Key Description
KC_LEAD Begins a leader sequence

Magic Keycodes :id=magic-keycodes

See also: Magic Keycodes

Key Aliases Description
MAGIC_SWAP_CONTROL_CAPSLOCK CL_SWAP Swap Caps Lock and Left Control
MAGIC_UNSWAP_CONTROL_CAPSLOCK CL_NORM Unswap Caps Lock and Left Control
MAGIC_CAPSLOCK_TO_CONTROL CL_CTRL Treat Caps Lock as Control
MAGIC_UNCAPSLOCK_TO_CONTROL CL_CAPS Stop treating Caps Lock as Control
MAGIC_SWAP_LCTL_LGUI LCG_SWP Swap Left Control and GUI
MAGIC_UNSWAP_LCTL_LGUI LCG_NRM Unswap Left Control and GUI
MAGIC_SWAP_RCTL_RGUI RCG_SWP Swap Right Control and GUI
MAGIC_UNSWAP_RCTL_RGUI RCG_NRM Unswap Right Control and GUI
MAGIC_SWAP_CTL_GUI CG_SWAP Swap Control and GUI on both sides
MAGIC_UNSWAP_CTL_GUI CG_NORM Unswap Control and GUI on both sides
MAGIC_TOGGLE_CTL_GUI CG_TOGG Toggle Control and GUI swap on both sides
MAGIC_SWAP_LALT_LGUI LAG_SWP Swap Left Alt and GUI
MAGIC_UNSWAP_LALT_LGUI LAG_NRM Unswap Left Alt and GUI
MAGIC_SWAP_RALT_RGUI RAG_SWP Swap Right Alt and GUI
MAGIC_UNSWAP_RALT_RGUI RAG_NRM Unswap Right Alt and GUI
MAGIC_SWAP_ALT_GUI AG_SWAP Swap Alt and GUI on both sides
MAGIC_UNSWAP_ALT_GUI AG_NORM Unswap Alt and GUI on both sides
MAGIC_TOGGLE_ALT_GUI AG_TOGG Toggle Alt and GUI swap on both sides
MAGIC_NO_GUI GUI_OFF Disable the GUI keys
MAGIC_UNNO_GUI GUI_ON Enable the GUI keys
MAGIC_TOGGLE_GUI GUI_TOG Toggles the status of the GUI keys
MAGIC_SWAP_GRAVE_ESC GE_SWAP Swap ` and Escape
MAGIC_UNSWAP_GRAVE_ESC GE_NORM Unswap ` and Escape
MAGIC_SWAP_BACKSLASH_BACKSPACE BS_SWAP Swap \ and Backspace
MAGIC_UNSWAP_BACKSLASH_BACKSPACE BS_NORM Unswap \ and Backspace
MAGIC_HOST_NKRO NK_ON Enable N-key rollover
MAGIC_UNHOST_NKRO NK_OFF Disable N-key rollover
MAGIC_TOGGLE_NKRO NK_TOGG Toggle N-key rollover
MAGIC_EE_HANDS_LEFT EH_LEFT Set the master half of a split keyboard as the left hand (for EE_HANDS)
MAGIC_EE_HANDS_RIGHT EH_RGHT Set the master half of a split keyboard as the right hand (for EE_HANDS)

MIDI :id=midi

See also: MIDI

Key Aliases Description
MI_ON Turn MIDI on
MI_OFF Turn MIDI off
MI_TOG Toggle MIDI enabled
MI_C C octave 0
MI_Cs MI_Db C♯/D♭ octave 0
MI_D D octave 0
MI_Ds MI_Eb D♯/E♭ octave 0
MI_E E octave 0
MI_F F octave 0
MI_Fs MI_Gb F♯/G♭ octave 0
MI_G G octave 0
MI_Gs MI_Gs G♯/A♭ octave 0
MI_A A octave 0
MI_As MI_Bb A♯/B♭ octave 0
MI_B B octave 0
MI_C_1 C octave 1
MI_Cs_1 MI_Db_1 C♯/D♭ octave 1
MI_D_1 D octave 1
MI_Ds_1 MI_Eb_1 D♯/E♭ octave 1
MI_E_1 E octave 1
MI_F_1 F octave 1
MI_Fs_1 MI_Gb_1 F♯/G♭ octave 1
MI_G_1 G octave 1
MI_Gs_1 MI_Ab_1 G♯/A♭ octave 1
MI_A_1 A octave 1
MI_As_1 MI_Bb_1 A♯/B♭ octave 1
MI_B_1 B octave 1
MI_C_2 C octave 2
MI_Cs_2 MI_Db_2 C♯/D♭ octave 2
MI_D_2 D octave 2
MI_Ds_2 MI_Eb_2 D♯/E♭ octave 2
MI_E_2 E octave 2
MI_F_2 F octave 2
MI_Fs_2 MI_Gb_2 F♯/G♭ octave 2
MI_G_2 G octave 2
MI_Gs_2 MI_Ab_2 G♯/A♭ octave 2
MI_A_2 A octave 2
MI_As_2 MI_Bb_2 A♯/B♭ octave 2
MI_B_2 B octave 2
MI_C_3 C octave 3
MI_Cs_3 MI_Db_3 C♯/D♭ octave 3
MI_D_3 D octave 3
MI_Ds_3 MI_Eb_3 D♯/E♭ octave 3
MI_E_3 E octave 3
MI_F_3 F octave 3
MI_Fs_3 MI_Gb_3 F♯/G♭ octave 3
MI_G_3 G octave 3
MI_Gs_3 MI_Ab_3 G♯/A♭ octave 3
MI_A_3 A octave 3
MI_As_3 MI_Bb_3 A♯/B♭ octave 3
MI_B_3 B octave 3
MI_C_4 C octave 4
MI_Cs_4 MI_Db_4 C♯/D♭ octave 4
MI_D_4 D octave 4
MI_Ds_4 MI_Eb_4 D♯/E♭ octave 4
MI_E_4 E octave 4
MI_F_4 F octave 4
MI_Fs_4 MI_Gb_4 F♯/G♭ octave 4
MI_G_4 G octave 4
MI_Gs_4 MI_Ab_4 G♯/A♭ octave 4
MI_A_4 A octave 4
MI_As_4 MI_Bb_4 A♯/B♭ octave 4
MI_B_4 B octave 4
MI_C_5 C octave 5
MI_Cs_5 MI_Db_5 C♯/D♭ octave 5
MI_D_5 D octave 5
MI_Ds_5 MI_Eb_5 D♯/E♭ octave 5
MI_E_5 E octave 5
MI_F_5 F octave 5
MI_Fs_5 MI_Gb_5 F♯/G♭ octave 5
MI_G_5 G octave 5
MI_Gs_5 MI_Ab_5 G♯/A♭ octave 5
MI_A_5 A octave 5
MI_As_5 MI_Bb_5 A♯/B♭ octave 5
MI_B_5 B octave 5
MI_OCT_N2 Set octave to -2
MI_OCT_N1 Set octave to -1
MI_OCT_0 Set octave to 0
MI_OCT_1 Set octave to 1
MI_OCT_2 Set octave to 2
MI_OCT_3 Set octave to 3
MI_OCT_4 Set octave to 4
MI_OCT_5 Set octave to 5
MI_OCT_6 Set octave to 6
MI_OCT_7 Set octave to 7
MI_OCTD Move down an octave
MI_OCTU Move up an octave
MI_TRNS_N6 Set transposition to -6 semitones
MI_TRNS_N5 Set transposition to -5 semitones
MI_TRNS_N4 Set transposition to -4 semitones
MI_TRNS_N3 Set transposition to -3 semitones
MI_TRNS_N2 Set transposition to -2 semitones
MI_TRNS_N1 Set transposition to -1 semitone
MI_TRNS_0 No transposition
MI_TRNS_1 Set transposition to +1 semitone
MI_TRNS_2 Set transposition to +2 semitones
MI_TRNS_3 Set transposition to +3 semitones
MI_TRNS_4 Set transposition to +4 semitones
MI_TRNS_5 Set transposition to +5 semitones
MI_TRNS_6 Set transposition to +6 semitones
MI_TRNSD Decrease transposition
MI_TRNSU Increase transposition
MI_VEL_0 Set velocity to 0
MI_VEL_1 Set velocity to 12
MI_VEL_2 Set velocity to 25
MI_VEL_3 Set velocity to 38
MI_VEL_4 Set velocity to 51
MI_VEL_5 Set velocity to 64
MI_VEL_6 Set velocity to 76
MI_VEL_7 Set velocity to 89
MI_VEL_8 Set velocity to 102
MI_VEL_9 Set velocity to 114
MI_VEL_10 Set velocity to 127
MI_VELD Decrease velocity
MI_VELU Increase velocity
MI_CH1 Set channel to 1
MI_CH2 Set channel to 2
MI_CH3 Set channel to 3
MI_CH4 Set channel to 4
MI_CH5 Set channel to 5
MI_CH6 Set channel to 6
MI_CH7 Set channel to 7
MI_CH8 Set channel to 8
MI_CH9 Set channel to 9
MI_CH10 Set channel to 10
MI_CH11 Set channel to 11
MI_CH12 Set channel to 12
MI_CH13 Set channel to 13
MI_CH14 Set channel to 14
MI_CH15 Set channel to 15
MI_CH16 Set channel to 16
MI_CHD Decrease channel
MI_CHU Increase channel
MI_ALLOFF Stop all notes
MI_SUS Sustain
MI_PORT Portmento
MI_SOST Sostenuto
MI_SOFT Soft Pedal
MI_LEG Legato
MI_MOD Modulation
MI_MODSD Decrease modulation speed
MI_MODSU Increase modulation speed
MI_BENDD Bend pitch down
MI_BENDU Bend pitch up

Mouse Keys :id=mouse-keys

See also: Mouse Keys

Key Aliases Description
KC_MS_UP KC_MS_U Mouse Cursor Up
KC_MS_DOWN KC_MS_D Mouse Cursor Down
KC_MS_LEFT KC_MS_L Mouse Cursor Left
KC_MS_RIGHT KC_MS_R Mouse Cursor Right
KC_MS_BTN1 KC_BTN1 Mouse Button 1
KC_MS_BTN2 KC_BTN2 Mouse Button 2
KC_MS_BTN3 KC_BTN3 Mouse Button 3
KC_MS_BTN4 KC_BTN4 Mouse Button 4
KC_MS_BTN5 KC_BTN5 Mouse Button 5
KC_MS_WH_UP KC_WH_U Mouse Wheel Up
KC_MS_WH_DOWN KC_WH_D Mouse Wheel Down
KC_MS_WH_LEFT KC_WH_L Mouse Wheel Left
KC_MS_WH_RIGHT KC_WH_R Mouse Wheel Right
KC_MS_ACCEL0 KC_ACL0 Set mouse acceleration to 0
KC_MS_ACCEL1 KC_ACL1 Set mouse acceleration to 1
KC_MS_ACCEL2 KC_ACL2 Set mouse acceleration to 2

Modifiers :id=modifiers

See also: Modifier Keys

Key Aliases Description
LCTL(kc) C(kc) Hold Left Control and press kc
LSFT(kc) S(kc) Hold Left Shift and press kc
LALT(kc) A(kc), LOPT(kc) Hold Left Alt and press kc
LGUI(kc) G(kc), LCMD(kc), LWIN(kc) Hold Left GUI and press kc
RCTL(kc) Hold Right Control and press kc
RSFT(kc) Hold Right Shift and press kc
RALT(kc) ROPT(kc), ALGR(kc) Hold Right Alt (AltGr) and press kc
RGUI(kc) RCMD(kc), LWIN(kc) Hold Right GUI and press kc
LSG(kc) SGUI(kc), SCMD(kc), SWIN(kc) Hold Left Shift and Left GUI and press kc
LAG(kc) Hold Left Alt and Left GUI and press kc
RSG(kc) Hold Right Shift and Right GUI and press kc
RAG(kc) Hold Right Alt and Right GUI and press kc
LCA(kc) Hold Left Control and Alt and press kc
LSA(kc) Hold Left Shift and Left Alt and press kc
RSA(kc) SAGR(kc) Hold Right Shift and Right Alt (AltGr) and press kc
RCS(kc) Hold Right Control and Right Shift and press kc
LCAG(kc) Hold Left Control, Alt and GUI and press kc
MEH(kc) Hold Left Control, Shift and Alt and press kc
HYPR(kc) Hold Left Control, Shift, Alt and GUI and press kc
KC_MEH Left Control, Shift and Alt
KC_HYPR Left Control, Shift, Alt and GUI

Mod-Tap Keys :id=mod-tap-keys

See also: Mod-Tap

Key Aliases Description
MT(mod, kc) mod when held, kc when tapped
LCTL_T(kc) CTL_T(kc) Left Control when held, kc when tapped
LSFT_T(kc) SFT_T(kc) Left Shift when held, kc when tapped
LALT_T(kc) LOPT_T(kc), ALT_T(kc), OPT_T(kc) Left Alt when held, kc when tapped
LGUI_T(kc) LCMD_T(kc), LWIN_T(kc), GUI_T(kc), CMD_T(kc), WIN_T(kc) Left GUI when held, kc when tapped
RCTL_T(kc) Right Control when held, kc when tapped
RSFT_T(kc) Right Shift when held, kc when tapped
RALT_T(kc) ROPT_T(kc), ALGR_T(kc) Right Alt (AltGr) when held, kc when tapped
RGUI_T(kc) RCMD_T(kc), RWIN_T(kc) Right GUI when held, kc when tapped
LSG_T(kc) SGUI_T(kc), SCMD_T(kc), SWIN_T(kc) Left Shift and GUI when held, kc when tapped
LAG_T(kc) Left Alt and GUI when held, kc when tapped
RSG_T(kc) Right Shift and GUI when held, kc when tapped
RAG_T(kc) Right Alt and GUI when held, kc when tapped
LCA_T(kc) Left Control and Alt when held, kc when tapped
LSA_T(kc) Left Shift and Left Alt when held, kc when tapped
RSA_T(kc) SAGR_T(kc) Right Shift and Right Alt (AltGr) when held, kc when tapped
RCS_T(kc) Right Control and Right Shift when held, kc when tapped
LCAG_T(kc) Left Control, Alt and GUI when held, kc when tapped
RCAG_T(kc) Right Control, Alt and GUI when held, kc when tapped
C_S_T(kc) Left Control and Shift when held, kc when tapped
MEH_T(kc) Left Control, Shift and Alt when held, kc when tapped
HYPR_T(kc) ALL_T(kc) Left Control, Shift, Alt and GUI when held, kc when tapped - more info here

Tapping Term Keys :id=tapping-term-keys

See also: Dynamic Tapping Term

Key Description
DT_PRNT "Dynamic Tapping Term Print": Types the current tapping term, in milliseconds
DT_UP "Dynamic Tapping Term Up": Increases the current tapping term by DYNAMIC_TAPPING_TERM_INCREMENTms (5ms by default)
DT_DOWN "Dynamic Tapping Term Down": Decreases the current tapping term by DYNAMIC_TAPPING_TERM_INCREMENTms (5ms by default)

RGB Lighting :id=rgb-lighting

See also: RGB Lighting

Key Aliases Description
RGB_TOG Toggle RGB lighting on or off
RGB_MODE_FORWARD RGB_MOD Cycle through modes, reverse direction when Shift is held
RGB_MODE_REVERSE RGB_RMOD Cycle through modes in reverse, forward direction when Shift is held
RGB_HUI Increase hue, decrease hue when Shift is held
RGB_HUD Decrease hue, increase hue when Shift is held
RGB_SAI Increase saturation, decrease saturation when Shift is held
RGB_SAD Decrease saturation, increase saturation when Shift is held
RGB_VAI Increase value (brightness), decrease value when Shift is held
RGB_VAD Decrease value (brightness), increase value when Shift is held
RGB_MODE_PLAIN RGB_M_P Static (no animation) mode
RGB_MODE_BREATHE RGB_M_B Breathing animation mode
RGB_MODE_RAINBOW RGB_M_R Rainbow animation mode
RGB_MODE_SWIRL RGB_M_SW Swirl animation mode
RGB_MODE_SNAKE RGB_M_SN Snake animation mode
RGB_MODE_KNIGHT RGB_M_K "Knight Rider" animation mode
RGB_MODE_XMAS RGB_M_X Christmas animation mode
RGB_MODE_GRADIENT RGB_M_G Static gradient animation mode
RGB_MODE_RGBTEST RGB_M_T Red,Green,Blue test animation mode

RGB Matrix Lighting :id=rgb-matrix-lighting

See also: RGB Matrix Lighting

Key Aliases Description
RGB_TOG Toggle RGB lighting on or off
RGB_MODE_FORWARD RGB_MOD Cycle through modes, reverse direction when Shift is held
RGB_MODE_REVERSE RGB_RMOD Cycle through modes in reverse, forward direction when Shift is held
RGB_HUI Increase hue, decrease hue when Shift is held
RGB_HUD Decrease hue, increase hue when Shift is held
RGB_SAI Increase saturation, decrease saturation when Shift is held
RGB_SAD Decrease saturation, increase saturation when Shift is held
RGB_VAI Increase value (brightness), decrease value when Shift is held
RGB_VAD Decrease value (brightness), increase value when Shift is held
RGB_SPI Increase effect speed (does not support eeprom yet), decrease speed when Shift is held
RGB_SPD Decrease effect speed (does not support eeprom yet), increase speed when Shift is held

Thermal Printer :id=thermal-printer

See also: Thermal Printer

Key Description
PRINT_ON Start printing everything the user types
PRINT_OFF Stop printing everything the user types

US ANSI Shifted Symbols :id=us-ansi-shifted-symbols

See also: US ANSI Shifted Symbols

Key Aliases Description
KC_TILDE KC_TILD ~
KC_EXCLAIM KC_EXLM !
KC_AT @
KC_HASH #
KC_DOLLAR KC_DLR $
KC_PERCENT KC_PERC %
KC_CIRCUMFLEX KC_CIRC ^
KC_AMPERSAND KC_AMPR &
KC_ASTERISK KC_ASTR *
KC_LEFT_PAREN KC_LPRN (
KC_RIGHT_PAREN KC_RPRN )
KC_UNDERSCORE KC_UNDS _
KC_PLUS +
KC_LEFT_CURLY_BRACE KC_LCBR {
KC_RIGHT_CURLY_BRACE KC_RCBR }
KC_PIPE |
KC_COLON KC_COLN :
KC_DOUBLE_QUOTE KC_DQUO, KC_DQT "
KC_LEFT_ANGLE_BRACKET KC_LABK, KC_LT <
KC_RIGHT_ANGLE_BRACKET KC_RABK, KC_GT >
KC_QUESTION KC_QUES ?

One Shot Keys :id=one-shot-keys

See also: One Shot Keys

Key Description
OSM(mod) Hold mod for one keypress
OSL(layer) Switch to layer for one keypress
OS_ON Turns One Shot keys on
OS_OFF Turns One Shot keys off
OS_TOGG Toggles One Shot keys status

Programmable Button Support :id=programmable-button

See also: Programmable Button

Key Description
PROGRAMMABLE_BUTTON_1 Programmable button 1
PROGRAMMABLE_BUTTON_2 Programmable button 2
PROGRAMMABLE_BUTTON_3 Programmable button 3
PROGRAMMABLE_BUTTON_4 Programmable button 4
PROGRAMMABLE_BUTTON_5 Programmable button 5
PROGRAMMABLE_BUTTON_6 Programmable button 6
PROGRAMMABLE_BUTTON_7 Programmable button 7
PROGRAMMABLE_BUTTON_8 Programmable button 8
PROGRAMMABLE_BUTTON_9 Programmable button 9
PROGRAMMABLE_BUTTON_10 Programmable button 10
PROGRAMMABLE_BUTTON_11 Programmable button 11
PROGRAMMABLE_BUTTON_12 Programmable button 12
PROGRAMMABLE_BUTTON_13 Programmable button 13
PROGRAMMABLE_BUTTON_14 Programmable button 14
PROGRAMMABLE_BUTTON_15 Programmable button 15
PROGRAMMABLE_BUTTON_16 Programmable button 16
PROGRAMMABLE_BUTTON_17 Programmable button 17
PROGRAMMABLE_BUTTON_18 Programmable button 18
PROGRAMMABLE_BUTTON_19 Programmable button 19
PROGRAMMABLE_BUTTON_20 Programmable button 20
PROGRAMMABLE_BUTTON_21 Programmable button 21
PROGRAMMABLE_BUTTON_22 Programmable button 22
PROGRAMMABLE_BUTTON_23 Programmable button 23
PROGRAMMABLE_BUTTON_24 Programmable button 24
PROGRAMMABLE_BUTTON_25 Programmable button 25
PROGRAMMABLE_BUTTON_26 Programmable button 26
PROGRAMMABLE_BUTTON_27 Programmable button 27
PROGRAMMABLE_BUTTON_28 Programmable button 28
PROGRAMMABLE_BUTTON_29 Programmable button 29
PROGRAMMABLE_BUTTON_30 Programmable button 30
PROGRAMMABLE_BUTTON_31 Programmable button 31
PROGRAMMABLE_BUTTON_32 Programmable button 32
PB_1 to PB_32 Aliases for keymaps

Space Cadet :id=space-cadet

See also: Space Cadet

Key Description
KC_LCPO Left Control when held, ( when tapped
KC_RCPC Right Control when held, ) when tapped
KC_LSPO Left Shift when held, ( when tapped
KC_RSPC Right Shift when held, ) when tapped
KC_LAPO Left Alt when held, ( when tapped
KC_RAPC Right Alt when held, ) when tapped
KC_SFTENT Right Shift when held, Enter when tapped

Swap Hands :id=swap-hands

See also: Swap Hands

Key Description
SH_T(key) Sends key with a tap; momentary swap when held.
SW_ON Turns on swapping and leaves it on.
SW_OFF Turn off swapping and leaves it off. Good for returning to a known state.
SH_MON Swaps hands when pressed, returns to normal when released (momentary).
SH_MOFF Momentarily turns off swap.
SH_TG Toggles swap on and off with every key press.
SH_TT Toggles with a tap; momentary when held.
SH_OS One shot swap hands: toggle while pressed or until next key press.

Unicode Support :id=unicode-support

See also: Unicode Support

Key Aliases Description
UC(c) Send Unicode code point c, up to 0x7FFF
X(i) Send Unicode code point at index i in unicode_map
XP(i, j) Send Unicode code point at index i, or j if Shift/Caps is on
UNICODE_MODE_FORWARD UC_MOD Cycle through selected input modes
UNICODE_MODE_REVERSE UC_RMOD Cycle through selected input modes in reverse
UNICODE_MODE_MAC UC_M_MA Switch to macOS input
UNICODE_MODE_LNX UC_M_LN Switch to Linux input
UNICODE_MODE_WIN UC_M_WI Switch to Windows input
UNICODE_MODE_BSD UC_M_BS Switch to BSD input (not implemented)
UNICODE_MODE_WINC UC_M_WC Switch to Windows input using WinCompose