# Markdown Preview Plus

Description from extension meta

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

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Description from store 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 Katex. ## Release Notes ### 0.7.8 * Fix auto reload for Chrome 81 ### 0.7.7 * Support for math syntax of GitLab. Thanks Shumpei ### 0.7.6 * Fixes the prepareHtml will be crash when use puml in GFM * Fixes cannot correctly handle multi-line math formulas ### 0.7.5 Add a button to remove custom theme ### 0.7.4 Restore feature math/sequence/flow

### Latest reviews

• (2020-08-01) Mustafa Basit - MCA-17-11: thank a lot for this amazing extension
• (2020-03-20) べ断桥烟雨ミ: Markdown渲染有点问题，MathJax引擎会将代码块中的 （个别语言支持这种写法，用作插值字符串） 作为 TeX 数学公式进行渲染，导致渲染效果错误。 希望能够改进。 • (2020-01-30) Kenji Yonekawa: Very useful. It would be nice if it supports mermaid. • (2020-01-19) Coco Mang: This extention does not work, the md files are not formated, I have tried all options including the fact to read local files, it simply does not work. • (2020-01-12) Alexander Shirokov: Excellent tool to develop your notes • (2020-01-02) 江淮杰: 渲染的不好，部分没有渲染出来 • (2019-09-05) Eric Lan: Ok, fully meet daily use requirements • (2019-08-21) Michael Williams: This is a great add on. It does a nice GitHub preview with auto-reload. You can also enable the preview of local files. Total awesomeness. Really useful. Would like a few more dark themes. • (2019-07-02) Brian Chrzanowski: Thank god this was super easy to use. It's clear. Simple. Not a huge fan of manually enabling the file url setting, but hey. It works and is simple once set up. Thanks for making this. • (2019-07-02) 许德安: 非常好用，尤其是可以渲染latex。如果能够渲染svg就更好了。 • (2019-06-12) Ruslan Kabatsayev: It mostly works fine, but there are some problems with equations (enabled by KaTeX support checkbox): 1. Equations are rendered incorrectly: e.g. \vec k doesn't have the arrow. 2. Some environments supported by MathJax seem to be not supported by this extension: e.g. "align". • (2019-06-07) Paul Kenjora: Doesn't work. Opened a README.md file in chrome and no markdown. I toggled all the relevant options. • (2019-04-17) Lewis Zhang: Default theme Github is totally different from github.com. Is the CSS file wrong? Could you adjust upload custom CSS file size？The size of file (https://github.com/sindresorhus/github-markdown-css) I want to upload is 40kb. • (2019-04-02) 亀海克行: オリジナルCSSを作っていて気づいたのですが、で囲ったソースコードがHTMLタグで始まる場合に、開始タグ部分に.hljs-nameがつかないことがあります。 • (2019-03-06) shicheng chen: Who can teach me how to use it? this chrome-extends tool does not work in my chrome browser • (2019-02-17) Bizhan Aminipour: It supports only basic md features. but it doesn't support TOC, emojis, KaTeX, mermaid. And its font is not satisfactory. • (2019-02-02) Ethan Rietz: TeX type math is no longer rendered correctly for me after the switch from MathJax to KaTeX. Does anyone know of a solution? • (2019-01-30) 王若非: 中文乱码怎么破…… • (2018-12-14) 王祥: I hope add [title](url){:target="_blank"} usage in the extension. • (2018-11-21) Old Xia: 使用插件后无法搜索 Can't search(Ctrl + F no result) after using extension. • (2018-11-19) alex wang: 我打开 md 文件没效果，不知道怎么使用 • (2018-11-16) Kris Li: 用 Chrome 打开 .md 直接下载了，这个怎么破 • (2018-10-11) Tony Barganski: Great app. I like the view Table of Contents option and that its configurable. Makes browsing large Markdown files easy. • (2018-08-29) Xavier Fornari: Do the job • (2018-06-17) Patrick McGoldrick: Rendering is not as good as some competitors. Also, they all see to be failing to render checkboxes. ### Latest issues • (2020-07-06, v:0.7.8) オガワヒロキ: Chromeで.mdのファイルをドラッグ＆ドロップで表示できないのですが。 拡張機能に入りMarkdown Preview Plusの下にある「ファイルのURLへのアクセスを許可する」にチェックを入れると説明にあるのですが、この項目が表示されません。 どうしたらよろしいでしょうか？ • (2020-05-16, v:0.7.7) Rorro P: It's not working, i have a README.md file in local folder, i drag it into chrome nonetheless it doesn't render it It's not working, i have a README.md file in local folder, i drag it into chrome nonetheless it doesn't render it • (2020-05-14, v:0.7.7) Rasmus Bækgaard: CORS errors Hi there. I am getting CORS-errors; Access to XMLHttpRequest at 'file:///C:/Users/Limroto/sources/repos/myFile.md?_=1589475837763' from origin 'null' has been blocked by CORS policy: Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, https. It checks every third second as the settings defines, but even with the check to allow file-URLs, it still gives me this error. • (2020-05-10, v:0.7.6) Simha Rupa Das: How to keep the spaces intact Example if i have some thing like this "for messages:<br> # This" The it will be shown as for messages: # This Instead of for messages: # This • (2020-05-07, v:0.7.6) JHilbert: Problem Charset Hello, I am a german developer. My problem is that when converting german markdown documents the german chars (ä,ü,ö, ..) are not converted correctly. Unfortunately I cannot change the charset in the options. • (2020-04-02, v:0.7.6) Deepal Moon: What am I doing wrong? I have ''Allow Access to File" turned on. Every time I try to open a markdown file, chrome just downloads it. If I try to open the downloaded file it opens in 'Markdown Monster'. Because that is the file type I have associated with *.md files. What do I need to do? • (2020-03-26, v:0.7.6) Logan Tian: Your extension is great. Your extension is great. Is it possible to provide an option to turn off automatic numbering of the table of contents, as many documents already have static numbers added to the title. • (2020-01-29, v:0.7.6) Casper Wilkes: Interesting breakage with  I found an interesting issue. If I include 2  in a single line, it breaks the style of the display page. So, if i use "The GLOBALS variable being accessed is the GLOBALS super global.", the style will break starting at the first . If I exclude the second , everything works as expected: The GLOBALS variable being accessed is the GLOBALS super global. • (2019-08-13, v:0.7.6) Ruslan Kabatsayev: Backslashes get collapsed I have disabled the built-in KaTeX support because it was rendering some things incorrectly, and tried to use [ChatJax](https://chemistry.meta.stackexchange.com/q/89/2133). This one works unless I have backslashes in my LaTeX input like in the end of line in "cases", "align" and similar environments or in the spacing constructs like "\,". With Markdown Preview Plus these backslashes appear to be collapsed, so that I need to double their amount to get correct output. See e.g. the following LaTeX code:f(x)=\begin{cases}1&\text{if }x\in\mathbb Q,\\0& \text{otherwise}\end{cases}\tag{3.33}$$It works wrong, because both lines appear on the same line. If you replace "\\" with "\\\\", then it'll appear correct. This behavior is different than that of e.g. StackExchange Markdown, where you only need the same amount of backslashes as in true LaTeX. • (2019-06-10, v:0.7.6) Luciano da Silva: CSS not work CSS is not working properly. • (2019-05-16, v:0.7.6) Guang Zeng: potentially cause high CPU usage Hi there, I've been using this extension for a couple of years and I really love it! Recently I've found that when browsing certain websites, CPU usage is really high and fan keeps running at full speed. After I disable the extension and CPU went back normal. I'm not 100% sure this is caused by plugin and the web page could cause it too. I just felt like there could be some conflicts. Could you take a look? Conflicting webpages: 1. https://www.pana.com/ 2. https://www.1point3acres.com/bbs/forum-237-1.html Thanks! Mac OS 10.14.4 (18E226) Version 74.0.3729.131 (Official Build) (64-bit) • (2019-03-18, v:0.7.6) Arthur Zhang: Have no [TOC] and {#anchor} support Please add [TOC] and {#anchor} support for this plugin. That will make it more compatible and better using. • (2018-12-10, v:0.7.1) Abel Almo: High CPU usage When I enable the extension and open a github repo (example: https://github.com/dustin10/VichUploaderBundle) I see high CPU usage in the chrome task manager. Disabling the extensions reduces the CPU of the tab. • (2018-12-10, v:0.7.1) Tiancheng Luo: Not supporting '\\' line break in Math equations Not supporting Math Line break as ''\\''as in$$\begin{bmatrix} a & b \\ c & d \end{bmatrix}
• (2018-11-30, v:0.7.1) Dave Stewart: GitHub stylesheet is not accurate
It's similar, but clearly not the same. I've used a custom CSS file, but unfortunately this does not not work, I presume because of the HTML. Could you add a textbox or upload script for the rendered markdown to be inserted into?
• (2018-11-11, v:0.7.1) Zhang Xiaodong: percent sign (%) not work
$1.23\%$ rendered to $1.23%$ rather then 1.23%
• (2018-10-24, v:0.7.1) Peter Nimmo: .MD Files still don't render via file protocol
I have activated "Allow access to file URLs" but any file I access via file:/// shows as plain text and it doesn't matter if it is in the list of enabled extensions or not
• (2018-10-11, v:0.7.1) Tony Barganski: Auto Linebreaks
It's a little behind the curb as it lacks auto line breaks (so need to add two spaces at end of each line - a real pain to remember and lots more typing) which some other viewer extensions have, smartlists, etc. Would be real nice to have.

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