A fast, native Markdown (.md) viewer for Windows.
ReadMark opens Markdown files and renders them, with tabs, a navigation sidebar, Source view, find, and print. It's built natively for Windows on .NET 8 and WebView2.
This repository is the public home for ReadMark downloads, issue tracking, and documentation. ReadMark is proprietary software, so the application source code is not distributed here (see License).
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- Opens
.mdfiles from Explorer, "Open with", drag & drop, or the command line. - Renders GitHub Flavored Markdown (tables, task lists, footnotes, alerts, emoji, …) or strict CommonMark, switchable at runtime.
- Tabs for multiple documents: drag to reorder, right-click for more, and browser-style shortcuts.
- A navigation sidebar with an Outline of the document's headings and a Files view of the Markdown files.
- Back and Forward through the links you follow (Alt+Left / Alt+Right).
- Find with every match highlighted and a match count, Go to line.
- Detects the file's encoding, including legacy code pages, and lets you reopen a document in another encoding when it reads wrong.
- Shows word, character, and line counts plus file details in the status bar.
- Print through a custom print dialog with preview.
- Light / Dark appearance, plus Modern and Classic themes.
- Remembers recent files and, optionally, restores your open tabs.
- Private by design: no telemetry, no cloud, no account. An optional Privacy mode also blocks remote images and asks before any link leaves ReadMark.
Get the latest installer from the Releases page or from readmarkviewer.com.
- Download the ReadMark
.msiinstaller. - Run it and follow the prompts.
- Launch ReadMark, or right-click a
.mdfile → Open with → ReadMark.
| Requirement | Notes |
|---|---|
| Windows 10 or 11, 64-bit | |
| WebView2 runtime | Preinstalled on Windows 11; evergreen-distributed on Windows 10. The installer can help if it is missing. |
| .NET 8 Desktop Runtime | Bundled with the installer, so there is nothing extra to install. |
For the full walkthrough, see Getting Started.
User documentation lives in the docs directory:
- Getting Started: download ReadMark and open your first document.
- User Guide: every feature, view, and keyboard shortcut.
- Troubleshooting: fix common install, rendering, and printing issues.
Found a bug or have an idea? Open an issue from the issue forms:
When reporting a bug, please include your ReadMark version (Help → About) and your Windows version.
ReadMark is free. If it's useful to you, you can support its development on the donate page. Donations are entirely voluntary and help keep the project maintained.