You can make text bold or italic, add links, lists, quotes and code, and hide text until someone clicks it. Use the formatting bar, a keyboard shortcut, or type the Markdown shortcut as you write.
Use the formatting bar
- Click the Formatting button (T) under the message box. The formatting bar shows above your text.
- Select some text.
- Click a style.

Click T again to hide the bar.
Keyboard shortcuts
Select some text, then press the shortcut.
| Style | Windows and Linux | Mac |
|---|---|---|
| Bold | Ctrl + B | ⌘ + B |
| Italic | Ctrl + I | ⌘ + I |
| Underline | Ctrl + U | ⌘ + U |
| Strikethrough | Ctrl + Shift + S | ⌘ + Shift + S |
| Highlight | Ctrl + Shift + H | ⌘ + Shift + H |
| Inline code | Ctrl + E | ⌘ + E |
| Code block | Ctrl + Alt + C | ⌘ + Option + C |
| Bullet list | Ctrl + Shift + 8 | ⌘ + Shift + 8 |
| Numbered list | Ctrl + Shift + 7 | ⌘ + Shift + 7 |
| Quote | Ctrl + Shift + B | ⌘ + Shift + B |
| Link | Ctrl + Shift + U | ⌘ + Shift + U |
Markdown shortcuts
Type these as you write. The text changes to the style as soon as you close the pair or type the space.
| Type | You get |
|---|---|
**text** |
Bold |
*text* |
Italic |
~~text~~ |
Strikethrough |
==text== |
Highlight |
`text` |
Inline code |
||text|| |
Spoiler |
- at the start of a line |
Bullet list |
1. at the start of a line |
Numbered list |
> at the start of a line |
Quote |
``` on its own line |
Code block |
Add a link
- Select the text you want to link.
- Press Ctrl + Shift + U, or ⌘ + Shift + U on a Mac. You can also click the link button in the formatting bar.
- Paste the link.
- Click the check mark.

Links you type or paste on their own become links when you send the message.
Hide text as a spoiler
Put text between double bars, ||like this||, or select it and click Spoiler in the formatting bar. The text shows as a hidden block until someone clicks it.
Code blocks
Type ``` on its own line and press Enter to start a code block. Add a language name after the backticks, such as ```python, if you like. Enter adds a new line inside the block. Press Ctrl + Enter, or ⌘ + Enter on a Mac, to send.
On the mobile app
The formatting bar is not shown on the mobile app. Markdown shortcuts work as you type.