Obsidian Hot Corner MD – Hot-corner Markdown previews for Obsidian on macOS

Summary: Obsidian Hot Corner MD is a macOS menu bar app that previews a selected Markdown note from Obsidian using hot corners or a shortcut. It allows customization of preview corners, width, and line limits, and opens notes directly in Obsidian with one click.

What it does

The app displays a preview of a chosen Markdown file when the cursor moves to a screen corner or a hotkey is pressed. It supports adjusting preview appearance and opens the note in Obsidian via the obsidian:// URL scheme.

Who it's for

It is designed for Obsidian users who want quick access to notes without switching apps, such as viewing daily notes or checklists.

Why it matters

It eliminates the need to switch to Obsidian for quick note glances by providing instant previews through hot corners or shortcuts.