mdpeek Help
From opening your first .md file to mastering the F3 built-in editor. Find the full shortcut list, pasting images & attachments, PDF export, and more on this page.
Start in three steps
Download & install
Download the mdpeek installer (~2 MB) and run it. The setup automatically associates .md files.
Double-click any .md file
Double-click a Markdown file and read it like a web page, fully rendered with headings, lists, and tables.
Press F3 to edit
Press F3 in reading view to open the built-in editor — type on the left, live preview on the right. Save with Ctrl+S.
🔗File association not working?
If double-clicking a .md file still doesn't open mdpeek, set it manually: right-click the .md file → Open with → Choose another app → select mdpeek and check “Always use this app to open .md files”. You can also use the “file association” button at the bottom-right of the preview. See how to open .md files.
Preview features & shortcuts
Open & export
Ctrl+O opens a Markdown file. From the top-right menu you can export PDF or favorite the current document.
Reading comfort
Ctrl+↑/Ctrl+↓ adjust font size; Alt+↑/Alt+↓ adjust the content column width.
Theme & color scheme
Switch between dark and light themes in one click, or pick from several Markdown color schemes.
Editing entries
F3 opens the built-in editor; F4 opens the file in an external editor (e.g. VS Code, configurable in settings).
Edit mode (F3) & full shortcut list
Press F3 for a split view: write Markdown on the left, live preview on the right, with synced scrolling. Press F3 again to exit.
| Shortcut | Action | Description |
|---|---|---|
| Ctrl+T | Insert table | Insert a Markdown table skeleton |
| Ctrl+L | Insert link | Insert [text](url) link syntax |
| Ctrl+I | Insert image | Insert  image syntax |
| Ctrl+V | Paste image/attachment | Paste a clipboard image or file, saved into the hidden .__assets/ folder |
| Ctrl+S | Save | Save the document; only refreshes the preview, keeps your editing state |
| Tab | Expand snippet / insert indent | Type table, link or img and press Tab to expand |
| Enter | Continue list / indent | Press Enter inside a list item to auto-continue numbering or bullets |
| F3 | Exit edit mode | Return to the normal preview layout |
🖼️Paste images / attachments
In edit mode, press Ctrl+V to paste a screenshot or file from the clipboard. It is saved to the hidden .__assets/ folder next to the .md file, and a relative path is inserted. Copy, zip, or share the folder — images travel with the document.
⚡Snippet completion
Type table, link or img and press Tab to expand the Markdown snippet. Inside a list item, Enter auto-continues the list.
You may also want to know
How do I open .md files by double-clicking?
Why do my .md files open full of # symbols?
Can I export to PDF or favorite a document?
Are my documents uploaded to a server?
Start reading Markdown with mdpeek
A 2 MB installer — one-click setup, zero configuration, runs locally. Double-click any .md file to read and edit.
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