Tabs with memory
Up to 20 tabs, each with its own undo history. Drag files in, reopen the last 10, pick up window size and position.
Notes that keep up with typing
Marky is a Markdown editor for Windows with a live preview.
Free and open source under MIT. Per-user installer, no admin rights needed. Needs the WebView2 Runtime, see install notes.
Preview
Release notes, draft 12
Ship day is Thursday. These notes cover Marky v0.3.3,
the build that keeps the window under one second.
What changed
- Startup holds at 815 ms on the test machine
- Outline picks up the new heading
- Preview redraws only the changed part
| Build | Size | Window |
|---|---|---|
| Installer | 4.46 MB | 187 ms |
| Program | 6.71 MB | 815 ms |
Type on the left. The right side keeps up.
marky --open notes.mdThe editor stays out of the way
Twenty tabs, separate undo in each, and saves that keep the file encoding and line endings.
Crash recovery
Autosave plus recovery every 30 seconds. A save never leaves a half-written file behind.
Megabytes, then it stops
Files over 128 MB do not open. Preview switches off above 5 MB so the editor stays fast.
The app, mid-note
Marky 0.3.1 editing its own benchmark file. Syntax on the left, set type on the right.
The preview redraws the changed part
Scrolling stays in step with the editor. Tables, task lists, footnotes, Mermaid diagrams, KaTeX math.
| Build | Size | | --- | --- | | Installer | 4.46 MB | | Program | 6.71 MB | - [x] Startup holds - [ ] Outline picks it up
Release build
Installer at 4.46 MB, program at 6.71 MB. Startup holds, outline picks it up.
Done: startup holds. Next: outline picks it up.
Private the way a notes app should be
No remote images
Remote images do not load. Markdown HTML stays off, so a note cannot phone home.
Links open outside
Web and email links open outside the app. Relative links stay limited to Markdown and text files already opened.
Logs stay local
The log lives at %LOCALAPPDATA% on the machine. It can hold file paths from errors, never document text.
Changed on disk
When a file changes on disk, Marky asks before reloading or keeping. Unsaved work always gets a prompt first.
Measured on a real machine
Release build, i5-9300H with 16 GB RAM, 5 KB sample. Medians of 5 to 7 runs.
| Metric | Measured | Target | Limit |
|---|---|---|---|
| Installer | 4.46 MB | 6 MB or less | 10 MB |
| Program | 6.71 MB | 8 MB or less | 12 MB |
| Window visible | 187 ms | 300 ms or less | 500 ms |
| Dark-mode flash | 0 ms | 0 ms | 0 ms |
| Startup, ready to edit | 815 ms | 900 ms or less | 1,000 ms |
Every action has a key
The app works from the keyboard throughout, including Tab, arrows, Home, End, and Delete.
17 of 17 shown
- Ctrl NNew tab
- Ctrl OOpen file
- Ctrl ROpen recent file
- Ctrl SSave
- Ctrl Shift SSave as
- Ctrl WClose tab
- Ctrl TabNext tab
- Ctrl Shift VToggle preview
- Ctrl Shift EToggle reading view
- Ctrl Shift OToggle outline
- Alt ZToggle word wrap
- Ctrl FFind
- Ctrl HFind and replace
- Ctrl ZUndo
- Ctrl YRedo
- Ctrl MToggle Tab key behavior
- Ctrl ,Settings
Install questions
What do I download
The Windows installer (Marky x64 setup) or the portable ZIP from the releases page. The installer runs per-user and needs no administrator access.
What does Windows 10 or 11 need
The WebView2 Runtime. The installer can fetch it. Releases are unsigned, so SmartScreen asks once: choose More info, then Run anyway.
Where do settings live
Settings sit under %APPDATA% and the log under %LOCALAPPDATA%. Browser mode keeps files in memory instead.
Is it really free
Yes, MIT licensed with third-party notices shipped in the app. The source, changelog, and contributor guide are on GitHub.
Open a note, start typing
Twenty tabs, a preview that keeps up, and nothing leaves the machine. v0.3.3 is on the releases page now.