MDWN File Extension
Markdown Markup Language
- File Type mdwn
- Developer John Gruber
- Popularity
- Application Markdown
- Category Text Files
What is a MDWN file?
Files with the MDWN extension are specifically tied to Markdown Markup Language, a Text Files type, and there are 315 files in this category.
The Markdown Markup Language (MDWN), created by John Gruber, is one of file format they developed, and they also built programs to support them.
MDWN files are compatible with various operating systems, including Windows, Linux and Mac OS. When working with MDWN files, you can rely on 8 programs, including Markdown, Visual Studio Code and Sublime Text.
Programs that support MDWN files
How to open a MDWN file?
If you can’t open a MDWN file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
Markdown, Visual Studio Code and Sublime Text are among the most widely used programs for handling MDWN files. To install the most up-to-date edition of Markdown, visit the official John Gruber website. You can download the build that works across all operating systems.
After installing, your OS should instantly open MDWN files with Markdown.
Setting Markdown as default MDWN viewer
Change the default app for a file type in Mac
- Initiate a right click or use Control + left click on the desired MDWN file to open a menu where you can select various actions;
- Choose "Open in Application" and click "Other";
- Look towards the bottom of the window, where you will find the "Enable" menu. "Recommended programs" will be the default selection;
- Choose "All Programs" in this menu and search for Markdown. Check the box next to "Always open in app" to set it as the default option.
Change default programs in Windows
- Take the first step by right-clicking on your MDWN file. Next, select "Open With" and then choose "Choose another app" from the available options;
- Choose Markdown from the available applications listed in the pop-up window to set it as the default application to open your MDWN file;
- Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.
Tips and tricks to solve problems with MDWN files
Problematic MDWN files can usually be resolved by making small changes in your software. See the tips below to help fix common issues.
Are there any techniques or tools available to repair a damaged MDWN file?
In a data recovery program, open the damaged MDWN file and select the "Repair" menu option. Wait for the recovery process to finish as it will automatically restore the damaged text files.
How do I know if my MDWN file has been damaged?
The signs of corrupted MDWN text files can manifest as:
- Error alerts occur when actions are performed on the file;
- The file shows slow performance when edited in Markdown;
- The file encounters problems during the opening process or shows error indications;
- An unexplained increase in the size of the MDWN file;
- The file causes Markdown or other software to hang or crash during various operations;
What factors contribute to Markdown crash?
Lack of software updates is a possible reason behind Markdown crash. Keep your John Gruber products up to date by installing the latest updates.
Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.
How to edit a MDWN file?
To modify MDWN files, it is necessary to install dedicated software that lets you open and edit text files. Online MDWN editors generally offer fewer tools compared to programs designed for Markdown Markup Language.
Best MDWN editors 2026
Based on the specified criteria, here is a list of MDWN editors that may fit your requirements.
| MDWN Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| TextEdit | Apple | Mac OS | 4.8 out of 5 (40 reviews) |
| Visual Studio Code | Microsoft | Windows, Mac OS, Linux | 4.7 out of 5 (38 reviews) |
| Gedit | GNOME | Linux | 4.6 out of 5 (38 reviews) |
| Markdown | John Gruber | Windows | 4.6 out of 5 (36 reviews) |
| Notepad++ | Notepad++ Team | Windows | 4.6 out of 5 (37 reviews) |
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Windows Notepad | Microsoft | Windows | 4.2 out of 5 (37 reviews) |
| Atom | - | Windows, Mac OS, Linux | 4.1 out of 5 (36 reviews) |