Focused on whitespace and typography.
Available for Windows and macOS.
| Light | Dark |
|---|---|
 |
 |
Grab the latest installer from the Releases page — no setup or dependencies needed:
- Windows — download
Mymd Setup <version>.exeand run it. - macOS (Apple Silicon, M1+) — download
Mymd-<version>-arm64.dmg, open it, and drag Mymd into Applications. - macOS (Intel) — same, using
Mymd-<version>.dmg.
macOS note: the app is ad-hoc signed, not notarized with an Apple Developer certificate, so macOS quarantines it on download. After dragging Mymd into Applications, remove the quarantine flag once from Terminal:
xattr -cr "/Applications/Mymd.app"Then open it normally. (Without this, macOS — especially on Apple Silicon — may refuse to launch it with "Mymd is damaged and can't be opened.")
- Clean, distraction-free reading in light or dark themes
- Source view & editing — flip to the raw markdown, edit, and save (
Ctrl+E/Ctrl+S) - File browser sidebar — browse the current folder's markdown files as a tree, search them by name, and jump to recent files
- Format from the reading view — select text and apply bold, italic,
strikethrough,code, or a color highlight (Notion-style shortcuts), and tick task-list boxes; every edit saves into the file andCtrl+Zundoes it - Full markdown — KaTeX math, Mermaid diagrams, syntax-highlighted code, tables, task lists, and GitHub-style callouts
- Any reading font — bundled fonts or anything installed on your computer, with adjustable size and width
- Export to PDF or self-contained HTML, plus outline sidebar, find, image zoom, and live auto-reload
- One window per file and a Korean / English interface
| Action | Keys |
|---|---|
| Open file | Ctrl+O |
| Save | Ctrl+S |
| Find | Ctrl+F (close with Esc) |
| Bold / Italic / Strikethrough | Ctrl+B / Ctrl+I / Ctrl+Shift+S |
| Inline code / Highlight | Ctrl+E / Ctrl+Shift+H (highlight: also select → palette / right-click) |
| Toggle source view / edit | Ctrl+Shift+E |
| Toggle outline | Ctrl+\ |
| Undo / redo | Ctrl+Z / Ctrl+Y |
| Toggle theme | Ctrl+Shift+L |
| Export to PDF | Ctrl+P |
| Zoom in / out / reset | Ctrl+= / Ctrl+- / Ctrl+0 (or Ctrl + wheel) |
Build from source, package installers, and customize the icon (for contributors — not needed to just use the app).
npm install # first time only
npm start # or: npm start -- path\to\file.md
npm run dist # Windows installer (.exe) — run on Windows
npm run dist:mac # macOS disk image (.dmg) — run on macOS
The Windows build produces an NSIS installer at dist\Mymd Setup <version>.exe; installing associates .md / .markdown files with Mymd.
.github/workflows/build.yml builds both platforms on GitHub's runners. Pushing a version tag creates a Release with the installers attached:
npm version minor # bumps package.json and creates a git tag
git push --follow-tags # triggers the workflow
macOS can only be built on a macOS machine, so this workflow is how the .dmg is produced — no Mac required locally.
build/icon.png (app icon) and build/icon.ico (multi-resolution, used for the Windows .md file-type icon) are generated from logo.png by build/make-icon.ps1 — it trims to the artwork, centers it, makes the corners transparent, and emits a 1024px PNG plus a 16–256px .ico. Regenerate with:
powershell -ExecutionPolicy Bypass -File build\make-icon.ps1
main.js— Electron main process (windows, file open/watch, settings, PDF)preload.js— markdown rendering pipeline + IPC bridgerenderer/— UI (HTML/CSS/JS)
MIT