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# Basic Keycodes
The basic set of keycodes are based on the [HID Keyboard/Keypad Usage Page (0x07) ](https://www.usb.org/sites/default/files/documents/hut1_12v2.pdf ) 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` |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_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 |
## Punctuation
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|Key |Aliases |Description |
|--------------------|---------|--------------------------|
|`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` |< code > ` </ code > and `~` |
|`KC_COMMA` |`KC_COMM`|`,` and `<` |
|`KC_DOT` | |`.` and `>` |
|`KC_SLASH` |`KC_SLSH`|`/` and `?` |
|`KC_NONUS_BACKSLASH`|`KC_NUBS`|Non-US `\` and `\|` |
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## Lock Keys
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|Key |Aliases |Description |
|------------------------|--------------------|------------------------------------|
|`KC_CAPS_LOCK` |`KC_CAPS` |Caps Lock |
|`KC_SCROLL_LOCK` |`KC_SCRL`, `KC_BRMD` |Scroll Lock, Brightness Down (macOS)|
|`KC_NUM_LOCK` |`KC_NUM` |Keypad Num Lock and Clear |
|`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 |
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## Modifiers
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|Key |Aliases |Description |
|----------------|-------------------------------|------------------------------------|
|`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)|
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## International
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|Key |Aliases |Description |
|--------------------|---------|---------------------|
|`KC_INTERNATIONAL_1`|`KC_INT1`|JIS `\` and `_` |
|`KC_INTERNATIONAL_2`|`KC_INT2`|JIS Katakana/Hiragana|
|`KC_INTERNATIONAL_3`|`KC_INT3`|JIS `¥` and `\|` |
|`KC_INTERNATIONAL_4`|`KC_INT4`|JIS Henkan |
|`KC_INTERNATIONAL_5`|`KC_INT5`|JIS Muhenkan |
|`KC_INTERNATIONAL_6`|`KC_INT6`|JIS Numpad `,` |
|`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`|Hangul/English |
|`KC_LANGUAGE_2` |`KC_LNG2`|Hanja |
|`KC_LANGUAGE_3` |`KC_LNG3`|JIS Katakana |
|`KC_LANGUAGE_4` |`KC_LNG4`|JIS Hiragana |
|`KC_LANGUAGE_5` |`KC_LNG5`|JIS Zenkaku/Hankaku |
|`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 |
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## Commands
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|Key |Aliases |Description |
|--------------------|------------------------------|--------------------------------------|
|`KC_PRINT_SCREEN` |`KC_PSCR` |Print Screen |
|`KC_PAUSE` |`KC_PAUS`, `KC_BRK` , `KC_BRMU` |Pause, Brightness Up (macOS) |
|`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_APPLICATION` |`KC_APP` |Application (Windows Context Menu Key)|
|`KC_KB_POWER` | |System Power |
|`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_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 |
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## 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.
?> Some of these keycodes may behave differently depending on the OS. For example, on macOS, the keycodes `KC_MEDIA_FAST_FORWARD` , `KC_MEDIA_REWIND` , `KC_MEDIA_NEXT_TRACK` and `KC_MEDIA_PREV_TRACK` skip within the current track when held, but skip the entire track when tapped.
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|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_AUDIO_MUTE` |`KC_MUTE`|Mute |
|`KC_AUDIO_VOL_UP` |`KC_VOLU`|Volume Up |
|`KC_AUDIO_VOL_DOWN` |`KC_VOLD`|Volume Down |
|`KC_MEDIA_NEXT_TRACK` |`KC_MNXT`|Next Track |
|`KC_MEDIA_PREV_TRACK` |`KC_MPRV`|Previous Track |
|`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 |
|`KC_MEDIA_REWIND` |`KC_MRWD`|Previous Track |
|`KC_BRIGHTNESS_UP` |`KC_BRIU`|Brightness Up |
|`KC_BRIGHTNESS_DOWN` |`KC_BRID`|Brightness Down |
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|`KC_CONTROL_PANEL` |`KC_CPNL`|Open Control Panel |
|`KC_ASSISTANT` |`KC_ASST`|Launch Assistant |
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## Number Pad
|Key |Aliases |Description |
|-------------------|---------|------------------------------|
|`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
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In addition to these, keycodes in the range of `0xA5-DF` are reserved for internal use.
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|Key |Aliases |Description |
|----------------|--------------------|---------------------------------------|
|`KC_NO` |`XXXXXXX` |Ignore this key (NOOP) |
|`KC_TRANSPARENT`|`KC_TRNS`, `_______` |Use the next lowest non-transparent key|
