FastMarkdownViewer opens Markdown documents in a native desktop window with tabs,
an outline, Find, syntax highlighting, tables, equations, and offline Mermaid diagrams.
It supports multilingual text, themes, and saved settings and sessions.
Publisher’s description
What is FastMarkdownViewer?
FastMarkdownViewer is an open-source notes & to-do program for Windows from FastMarkdownViewer contributors.
Installation and requirements
Official installers exist for 64-bit as EXE (Inno Setup). It can be installed for the current user only, without administrator rights. It needs Windows 10 2004 or newer. The installer supports unattended (silent) installation.
Popularity and file types
On Windows it registers 2 file types, including .md and .markdown. Similar programs include Obsidian, Logseq and QOwnNotes.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
- Updated in the last two months
Cons
- No native ARM64 build
In short: FastMarkdownViewer is an open-source notes & to-do tool for 64-bit PCs. Administrators can deploy it unattended.
Is FastMarkdownViewer safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
47F1292D1248FFD9BAF0995ABF69D291A127DF2C53822FC8003B122D5A6D9DE3· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.2.8Latest | October 1, 2026 | — | 64-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id Quetzalcohuatl.FastMarkdownViewer -eFastMarkdownViewer-Setup-0.2.8.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- FastMarkdownViewer contributors
- Category
- Notes & to-do
- Licence
- MIT OR Apache-2.0
- Price
- Free
- Requires
- Windows 11 / 10 (Windows 10 2004+)
- Architecture
- 64-bit
- Installer
- EXE (Inno Setup)
- Version
- 0.2.8
- Released
- October 1, 2026
- Added to the catalogue
- November 10, 2026
- Versions listed
- 1
- Website
- quetzalcohuatl.github.io
- winget ID
- Quetzalcohuatl.FastMarkdownViewer
File types it opens (2)
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is FastMarkdownViewer free?
Yes. FastMarkdownViewer is open-source software under the MIT OR Apache-2.0 licence.
Is FastMarkdownViewer safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install FastMarkdownViewer with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can FastMarkdownViewer be installed silently?
Yes. The silent install page lists the exact command for each installer.
Which Windows versions does FastMarkdownViewer support?
The installer requires Windows 10 2004 or newer and is available for 64-bit.
Does FastMarkdownViewer run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use FastMarkdownViewer without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to FastMarkdownViewer?
Obsidian, Logseq, QOwnNotes, Evernote and Super Productivity. The alternatives page compares them.
