Full featured Markdown editor with live preview, syntax highlighting, TeX, Flowchart. Useful for both beginners and experts alike.
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Listing updated:March 14, 2022
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Overview
This app is a full featured Markdown editor with live preview, syntax highlighting, TeX, Flowchart, and Sequence Diagram.
A simple, beautiful, and HTML5 WYSIWYG Markdown editor. It will be useful for both beginners and experts alike.
You can open a markdown file to edit from your Google Drive and computer.

Supports Standard Markdown / CommonMark and GFM (GitHub Flavored Markdown)
View as markdown format, HTML format, styled HTML format, Print as PDF.
Real-time Preview, Preformatted text, Code blocks, Tables insert, Code fold, Search replace, HTML entities, Code syntax highlighting, and more.
Markdown Extras: Support ToC (Table of Contents), Emoji, Task lists
Supports decode & fliter of the HTML tags & attributes
Supports TeX (LaTeX expressions), Flowchart and Sequence Diagram
Additional information
PricingFree of charge
Developer
Trader status unspecified
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Markdown Viewer and Editor will ask for the permissions shown below. Learn more
Markdown Viewer and Editor will need access to your Google account
This will allow Markdown Viewer and Editor to :
See, edit, create, and delete only the specific Google Drive files you use with this app
Connect itself to your Google Drive
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
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J. Chin
September 24, 2024
Use it to edit my Obsidian notes in Google Drive when I don't have access to my computer. It is initially confusing to use as it's an external website that connects to your Drive, not an app. It does not work well on mobile at all. Would be nice if we could set an auto-save interval or have a keyboard shortcut to save.
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Eric McBrearty
February 12, 2024
It doesn't show up in my Google Chrome Extensions list, But it does show up from within Google Drive as a connected app. When I tried to open a pre-existing Markdown file in my Google Drive Cloud storage, it worked just fine. As others have mentioned, Google Drive is cold storage. It does not offer processing power to run the software necessary to open a document. To open a document out of cold storage, there are only 2 options. 1) Download the document to your own device that has the necessary compute power to run the software necessary to read/open the document. (or) 2) Request permission to download your document to someone else's computer that temporarily allows you to use there compute power to run the software necessary to open/read the document. Then go on the internet, connect to their server, and request to view/read your document that is open and running on their software, using their electricity. Seems like a decent program. It is nice that it displays both markdown and html is a split screen viewer.
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Tom
August 5, 2023
Works fine and permissions seem reasonable, but I'm uncomfortable that it opens my file for editing on its domain, rather than Google's (is this normal)? Also, dark mode would be nice.
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Steren Giannini
November 1, 2023
Looks prommissing (no asking for too many permissions), but cannot Log in
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John Gehman
September 4, 2022
It's a null app. Can't launch. Shows that it's installed under "manage apps", but clicking on it does nothing. Doesn't appear in apps menu as the install process suggests. Why is this still in the Google Marketplace?
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Seeuwen Karel
March 30, 2022
Can only save to local drive (Downloads), the I have to copy from my local drive to Google Drive. I am just going to stick with VSCode and a plug for now.
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Nurkhamid (Hamid)
July 20, 2021
I use it to on the fly view my *.md files produced by my vimwiki editing with my vim in my local machine. I sync'ed my vimwiki folder using Google Drive desktop app so that I can also backup my *.md files on the google drive cloud. The app can view and edit the *.md files using Chrome browser. The app currently worked when I try to edit one of my *.md files in the browser, manually saved it to Google Drive, and it sync'ed to my local folder with GD desktop app. Thanks. (date: 07/20/2021)
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A User of Markdown Viewer and Editor
July 21, 2019
Doesn't open anything. Wants me to do editing, but I just want to view .md files. Does not work at all.
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grobacz dev
September 22, 2020
Works just fine. Don't know what people here have issue with
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A User of Markdown Viewer and Editor
October 29, 2019
'Viewer' refers to having a live preview window that opens alongside the editing window. Format-style buttons along the top, if you need them. You can dismiss the preview with the Eye Icon to be in full Editing mode, or, you can click the Screen button to get a full Viewing mode, so it should be useful for viewing once you set up for that. Otherwise, perfectly good for all the edits (and previewing) I had to do. There will be a google ad on the side. Heroku app.
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