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I created an open source online markdown viewer and editor

Marcdown πŸ‘»

Lightweight markdown viewer and editor

Feel free to contribute on GitHub

For one of my blog post, I was searching for an online markdown viewer and editor. There were many heavy-duty editors, with tones of useless features, but none seems to be easy and fast with all essential features.

That's why I created an online markdown viewer and editor tool: Marcdown to create, edit, view, and save markdown files on the go with ease. Marcdown is WYSIWYG!

WYSIWYG is an acronym for What You See Is What You Get. In computing, a WYSIWYG editor is a system in which content can be edited in a form closely resembling its appearance when printed or displayed as a finished product, such as a printed document, web page, or slide presentation.


Forget all the hassle of working with complicated editors. Learn how to create, edit, view, and save markdown files within minutes!

Marcdown is an open-source markdown viewer and editor optimized for change and adaptability to fit your exact needs.


With Marcdown, now I can view and edit markdown files in all sizes for free; I can view, edit, create markdown files and download them from anywhere.

Viewing and editing markdown files is now as simple as 1, 2, 3!

  1. Paste or type markdown on left.

  2. View preview on right.

  3. Download markdown file.

Bonus: 🌝 I also added an option switch to dark mode so that reading markdown files at night won't hurt your eyes!

Demo πŸš€

Feel free to contribute on GitHub

If you want a heads up on my next projects, or just want to chat about the web, make sure to follow me @liyasthomas πŸ’™.

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Liyas Thomas

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This is amazing. Thank you so much for giving us this beautiful markdown editor. <3

Both colors themes are perfect and soothing to the eyes.

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That's awesome ✨πŸ€ͺ

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It looks good to me. Thank you for your tool! :)

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Another reason I love this markdown editor is that it supports Grammarly.


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Do consider building a desktop version too. πŸ˜…

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Sorry for the delayed reply. I'd to contribute to some other projects.

  • Added "drag and drop file inside editor to open" feature ✨
  • Meanwhile I also changed app icon.

Consider making a small donation to make my projects alive at

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Dark mode is bit too bright, can you change that.

Changed dark mode color scheme. Dark mode now matches Dracula Theme

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