Converts and previews markdown files (.md, .markdown) to HTML(include TOC) right inside Chrome and support live reload

Latest Version

Version
0.8.9
Update
November 27, 2024
Size
2.24MiB
Developer
www.ooso.net
Category
Users
90,000+
Rating
4.10684 ★
Manifest Version
3
Web Store Status
Languages Support
English (United States)
See more
Permissions
Storage
ClipboardWrite
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Markdown Preview Plus Extension

Automatically parses markdown files (.md) into HTML with live reload

Usage:

1. Install extension from webstore (creates no new UI)
2. Check \"Allow access to file URLs\" in chrome://extensions listing:
3. Open local or remote .md file in Chrome.
4. See nicely formatted HTML!

Note: The auto reload feature is disabled default.

## Features

* Support auto reload.
* Support external css file.
* Customize theme for every md file.
* Support github flavored markdown.
* Export nicely formatted HTML.
* Support render Katex, Mermaid.

The extension is open source. https://github.com/volca/markdown-preview

## Release Notes

### 0.8.9 ###

* Update marked lib
* Fix a bug for clear custom CSS paths

### 0.8.8 ###

* Supports add custom CSS path. See #19
* Fix a bug for render mermaid. See #158

### 0.8.7 ###

Update mermaid lib for security fix
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "name": "Markdown Preview Plus", "version": "0.8.9", "manifest_version": 3, "description": "Converts and previews markdown files (.md, .markdown) to HTML(include TOC) right inside Chrome and support live reload", "icons": { "128": "images/icon.png", "48": "images/icon.png", "16": "images/icon.png" }, "content_scripts": [ { "matches": [ "file://*/*.*md*", "file://*/*.*MD*", "file://*/*.text", "file://*/*.markdown*", "file://*/*.mdown*", "file://*/*.txt*", "file://*/*.mkd*", "file://*/*.rst*", "*://*/*.*md*", "*://*/*.*MD*", "*://*/*.text", "*://*/*.markdown*", "*://*/*.mdown*", "*://*/*.txt*", "*://*/*.mkd*", "*://*/*.rst*" ], "css": [ "css/MarkdownTOC.css", "css/highlight.css" ], "js": [ "js/katex.min.js", "js/config.js", "js/jquery.js", "js/marked.min.js", "js/marked-highlight/index.cjs", "js/purify.js", "js/highlight.min.js", "js/markdownify.js", "js/underscore-min.js", "js/diagramflowseq.js", "js/mermaid.min.js", "js/platumlencode.js", "js/rawdeflate.js" ], "run_at": "document_end" } ], "background":{ "service_worker": "js/background.js" }, "permissions": [ "storage", "clipboardWrite" ], "host_permissions": [ "file:///*" ], "optional_host_permissions": [ "*://*/" ], "web_accessible_resources": [ { "matches": [""], "resources": [ "bootstrap.css", "theme/*.css", "css/*.css", "css/fonts/*", "theme/i/*.png" ] } ], "action": { "default_icon" : "images/icon.png", "default_title" : "Markdown Preview Plus", "default_popup" : "popup.html" }, "options_page": "options.html"}
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How to download and manually install Markdown Preview Plus extension for Chrome

Looking for a way to install Markdown Preview Plus extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install Markdown Preview Plus extensions manually, this article outlines two simple methods to effortlessly install Markdown Preview Plus extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download Markdown Preview Plus extension and manually install through Drag &Drop

If you ever need to manually install a Markdown Preview Plus extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the Markdown Preview Plus Extension by clicking the "Download CRX" button on the website.

Look for the Markdown Preview Plus extension you wish to install. Go to the website and download the Markdown Preview Plus extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Markdown Preview Plus extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the Markdown Preview Plus extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download Markdown Preview Plus extension for Chrome and install in Developer Mode

This is another method to install Markdown Preview Plus extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the Markdown Preview Plus extension file

Select and download the Markdown Preview Plus extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the Markdown Preview Plus extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Markdown Preview Plus extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the Markdown Preview Plus extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install Markdown Preview Plus extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Herberth Amaral (ID: 00000088275066f6) Voted 1 ★ - Updated 07/26/2023 I've tried this both on Chrome and Brave and it worked in none of them. Tried with a local .md file, but it gets rendered as plain text. Tried with a local http file server, it does render but it has encoding issues.

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Iki Sandino (ID: 00000052cf5e878e) Voted 5 ★ - Updated 07/03/2023 Excelente, funciona sin mayor contratiempo.

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Jim Kernicky (ID: 00000064dfda01cd) Voted 5 ★ - Updated 02/19/2023 It looks fantastic though I which the font was slightly larger.

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Sniper WinnerShot (ID: 0000003c0b33fedd) Voted 4 ★ - Updated 01/17/2023 Nice extension, but is it possible to add overflow-y: auto and max-height to the TOC element and let it be able to scroll up and down when having a really long TOC content?

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Arc Lin (ID: 0000002d34743961) Voted 5 ★ - Updated 10/14/2022 Nice job, now I can open a .md file as a html file, it's helpful.