Keep your Markdown managed. Write epic tales, a novel, that screen play, keep a journal, or finally write that book report.
ThiefMD is a Markdown Editor providing an easy way to organize, format, and compile your markdown documents. When you're ready to Publish, go to ePub, PDF, Office, Ghost, WordPress, Write-Freely, or more.
Import from and Export to Office, ePUB, HTML, and more. ThiefMD is your one stop shop for making and managing markdown mischief.
Working on a screenplay? ThiefMD can handle and combine Fountain files as well. Write your novel and prepare for that movie deal all from the same app.
Screenshots






Observed history
| App | Change | Version | When ↑ |
|---|
No observed changes yet.
The initial import establishes a baseline. Future version changes will appear here.
Browse the app catalogue →Upstream releases
Release notes supplied by the developer. These dates are not Flathub package publication times.
0.3.24 Apr 2026
Quality of life release.
- Fix font characters showing constant color.
- Wordpress Blocks Publishing Improvements.
- Bug fixes.
0.3.122 Feb 2026
From experimental to normal, and some new experiments.
- Image previews - Hover over an image tag, and we'll show what it looks like.
- Keyboard Editing Jumps - `Ctrl+[` and `Ctrl+]` will jump between headings and scenes.
- WordPress Block Export - MinePress meet WordCraft.
- Import and Export FDX Files - This is more of a best effort for now.
- Import and Export TextPacks (https://textbundle.org/) - Bring your work in or take your work out to another editor--images and all. Also works for Highland files.
- Import Bear Backups - Come in from Bear, but you can't get out...
- libmarkdown3 (Discount 3) - More markdown, better support. We're living in the future today.
- About Dialog Fixes - Thanks sevonj!
- Web Links in the notes can be `Ctrl+Clicked` to open.
- Bug fixes.
0.3.016 Feb 2026
Everything's different but still the same.
- Updated to GTK4.
- Updated to GtkSourceView5.
- Support for Ghost 2FA and Cookie Authentication.
- Updated to latest Hashnode API.
- From libhandy to libadwaita.
- Large file handling improvements.
- We've done our best to upgrade to the latest and greatest while maintaining functionality.
0.2.73 Jun 2023
Like your files to fly solo? Open files from your file manager. Even abandon our library concept if you want to.
We also have a new out of box experience and some hopefully UI improvements.
Breaking Change We've updated the Wordpress API. You now have to use Application Passwords.
- Add support for single file opening
- Fix some null references
- New UI