Task list
Use - [ ] and - [x] to create to-do checkboxes. This is a GFM extension.
Markdown
- [x] Done task - [ ] Todo task
Preview
- Done task
- Todo task
HTML output
<ul> <li><input type="checkbox" checked disabled> Done task</li> <li><input type="checkbox" disabled> Todo task</li> </ul>
Tip — Widely used to show progress in GitHub issues and PRs.