{%hackmd rJ_1SdPkxx %}

# Keyboard shortcuts for HackMD

### Switching mode

You can use keyboard shortcut to switch mode for editing page:


| Mode | Windows | Mac |
| ------------ | -------------------- | ----------------------- |
| Edit | `Ctrl` + `Alt` + `e` | `Ctrl` + `Option` + `e` |
| Both (Split) | `Ctrl` + `Alt` + `b` | `Ctrl` + `Option` + `b` |
| View | `Ctrl` + `Alt` + `v` | `Ctrl` + `Option` + `v` |

### Markdown syntax shortcuts

Select some text and use shortcuts to apply markdown syntax format:

| Format | Windows | Mac |
| ------------- | -------------------------------------- | -------------------- |
| Bold | `Ctrl`+`b` | `Cmd` + `b` |
| Italic | `Ctrl`+`i` | `Cmd` + `i` |
| Strikethrough | `Ctrl` + `Shift` + <code>&#x60;</code> | `Cmd` + `Ctrl` + `k` |

### Default keymap bindings

HackMD uses CodeMirror to support three keymap bindings styles for Sublime, Emacs and Vim. You can change the key binding through editor status bar:


#### Sublime

| Description | Windows/Linux | Mac |
| ------------------------------- | --------------------------------- | ----------------------------- |
| Go Line Start Smart | N/A | `Cmd` + `Left` |
| Indent Less | `Shift` + `Tab` | `Shift` + `Tab` |
| Delete Line | `Shift` + `Ctrl` + `K` | `Shift` + `Ctrl` + `k` |
| Wrap Lines | `Alt` + `Q` | `Option` + `Q` |
| Transpose Chars | `Ctrl` + `T` | N/A |
| Go Subword Left | `Alt` + `Left` | `Option` + `Left` |
| Go Subword Right | `Alt` + `Right` | `Option` + `Right` |
| Scroll Line Up | `Ctrl` + `Up` | `Ctrl` + `Option` + `Up` |
| Scroll Line Down | `Ctrl` + `Down` | `Ctrl` + `Option` + `Down` |
| Insert Line After | `Ctrl` + `Enter` | `Cmd` + `Enter` |
| Insert Line Before | `Shift` + `Ctrl` + `Enter` | `Shift` + `Cmd` + `Enter` |
| Select Next Occurrence | `Ctrl` + `D` | `Cmd` + `D` |
| Select Scope | `Shift` + `Ctrl` + `Space` | `Shift` + `Cmd` + `Space` |
| Select Between Brackets | `Shift` + `Ctrl` + `M` | `Shift` + `Cmd` + `M` |
| Go To Bracket | `Ctrl` + `M` | `Cmd` + `M` |
| Swap Line Up | `Shift` + `Ctrl` + `Up` | `Cmd` + `Ctrl` + `Up` |
| Swap Line Down | `Shift` + `Ctrl` + `Down` | `Cmd` + `Ctrl` + `Down` |
| Toggle Comment Indented | `Ctrl` + `/` | `Cmd` + `/` |
| Join Lines | `Ctrl` + `J` | `Cmd` + `J` |
| Duplicate Line | `Shift` + `Ctrl` + `D` | `Shift` + `Cmd` + `D` |
| Sort Lines | `F9` | `Cmd` + `F5` |
| Sort Lines Insensitive | `Ctrl` + `F9` | `Cmd` + `F5` |
| Smart Backspace | `Backspace` | `Backspace` |
| Skip And Select Next Occurrence | `Ctrl` + `K` `Ctrl` + `D` | `Cmd` + `K Cmd` + `D` |
| Del Line Right | `Ctrl` + `K` `Ctrl` + `K` | `Cmd` + `K Cmd` + `K` |
| Upcase At Cursor | `Ctrl` + `K` `Ctrl` + `U` | `Cmd` + `K Cmd` + `U` |
| Downcase At Cursor | `Ctrl` + `K` `Ctrl` + `L` | `Cmd` + `K Cmd` + `L` |
| Set Sublime Mark | `Ctrl` + `K` `Ctrl` + `Space` | `Cmd` + `K Cmd` + `Space` |
| Select To Sublime Mark | `Ctrl` + `K` `Ctrl` + `A` | `Cmd` + `K Cmd` + `A` |
| Delete To Sublime Mark | `Ctrl` + `K` `Ctrl` + `W` | `Cmd` + `K Cmd` + `W` |
| Swap With Sublime Mark | `Ctrl` + `K` `Ctrl` + `X` | `Cmd` + `K Cmd` + `X` |
| Sublime Yank | `Ctrl` + `K` `Ctrl` + `Y` | `Cmd` + `K Cmd` + `Y` |
| Show In Center | `Ctrl` + `K` `Ctrl` + `C` | `Cmd` + `K Cmd` + `C` |
| Clear Bookmarks | `Ctrl` + `K` `Ctrl` + `G` | `Cmd` + `K Cmd` + `G` |
| Del Line Left | `Ctrl` + `K` `Ctrl` + `Backspace` | `Cmd` + `K Cmd` + `Backspace` |
| Fold All | `Ctrl` + `K` `Ctrl` + `1` | `Cmd` + `K Cmd` + `1` |
| Unfold All | `Ctrl` + `K` `Ctrl` + `0` | `Cmd` + `K Cmd` + `0` |
| Unfold All | `Ctrl` + `K` `Ctrl` + `J` | `Cmd` + `K Cmd` + `J` |
| Add Cursor To Prev Line | `Ctrl` + `Alt` + `Up` | `Ctrl` + `Shift` + `Up` |
| Add Cursor To Next Line | `Ctrl` + `Alt` + `Down` | `Ctrl` + `Shift` + `Down` |
| Find Under | `Ctrl` + `F3` | `Cmd` + `F3` |
| Find Under Previous | `Shift` + `Ctrl` + `F3` | `Shift` + `Cmd` + `F3` |
| Find All Under | `Alt` + `F3` | `Alt` + `F3` |
| Fold | `Shift` + `Ctrl` + `[` | `Shift` + `Cmd` + `[` |
| Unfold | `Shift` + `Ctrl` + `]` | `Shift` + `Cmd` + `]` |
| Find Incremental | `Ctrl` + `I` | `Cmd` + `I` |
| Find Incremental Reverse | `Shift` + `Ctrl` + `I` | `Shift` + `Cmd` + `I` |
| Replace | `Ctrl` + `H` | `Cmd` + `H` |
| Find Next | `F3` | `F3` |
| Find Prev | `Shift` + `F3` | N/A |

In case we missed anything, please source code of [CodeMirror sublime keymap](https://codemirror.net/keymap/sublime.js).

#### Emacs/Vim

Please refer to CodeMirror source code:

- [`keymap/emacs.js`](https://codemirror.net/5/keymap/emacs.js)
- [`keymap/vim.js`](https://codemirror.net/5/keymap/vim.js)

### Table editing mode

Please read: [Appendix: Complete commands](https://hackmd.io/c/tutorials/%2Fs%2Fhow-to-create-table#Appendix-Complete-commands).