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Write text, get diagrams.
Listing updated:September 4, 2021
Works with:
31,836
Overview
Write text, get a flow chart, a sequence diagram or a gantt.

The chart is inserted in your document, and you can edit its text again afterward.

The people without the addon only see the graphs but cannot change their content.

This is using the mermaidJS 8.5.1  for rendering
https://mermaidjs.github.io/

This is ideal for technical documentation, where having up to dates graphs is more important than having pretty graphs. Only editing a few words here and there is very easy with this addon.

Please keep in mind that this addon is provided for free, i'm not making any money with it. Feel free to leave a review for this addon so that more people get to use it. Review really motivate me to improve the addon. 

The next feature i'd like to implement is theming, for now only 4 default themes are available.

The app now uses the latest version of mermaid by default, so it it crashes (because of an update of mermaid) please contact me on my personal email, renan.lecaro@gmail.com  
Additional information
PricingNot available
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Mermaid will ask for the permissions shown below. Learn more
Mermaid will need access to your Google account
This will allow Mermaid to :
See, edit, create, and delete all your Google Docs documents
Display and run third-party web content in prompts and sidebars inside Google applications
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
Reviews
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Stuart Hendren
June 26, 2019
Really handy for adding diagrams quickly, especially if they may change frequently. Be great if you could set the mermaid config or just the theme.
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Christopher Fuhrman
October 10, 2020
I used this today to make a Gantt Chart. It works well, using Alt-Text to store the mermaid source. It could be improved by giving more detailed feedback (error messages) when the syntax is not correct. But I give 5 stars for encouragement!
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Rabye Jlassi
August 30, 2021
Please add State Diagram option
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Matthew Coombes Killick
March 11, 2021
Mermaid is lightweight and simple to use to throw together a quick flowchart. The ability to work purely within Docs, rather than importing charts from other software, means it is easy to alter the chart on the go. Don't be put off by the code-like interface- it's intuitive and user friendly, even an idiot like me can make something great with it. The team behind it has done a great job responding to feedback and adding new features too. The charts look fantastic with no effort required of you- they're no-nonsense, stylish and easy on the eyes. The main drawback to Mermaid is that layout control is very finicky- you can choose the overall direction of the chart or change the order of your syntax which will (maybe) rearrange parts of the flowchart, but that's about it. It can be a bit of a gamble/trial and error to get a layout you're happy with, and the result can be rather sprawling. If you are creating a complex flowchart with a lot of information, you might want to find another tool that gives you greater control. But for most diagrams you'd put in a document, Mermaid is the best solution.
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François Saint-Jacques
December 9, 2020
Work as expected.
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Saul 4 Leaf Labs
June 3, 2021
Great app. Simple to use and works fantastic.
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Ayman Kotob
July 26, 2020
Great idea and elegant execution. Two things I'm struggling with that are preventing me from giving this 5 stars: 1) the exclusion function seems to work inconsistently (i.e. I exclude weekends but they still show on the axis). And 2) I would like to adjust the increments on the axis (i.e. go in increments of 2 days or 4 days but it doesn't seem I can do that). Otherwise, very simple and effective tool! If Mermaid can help with the 2 issues, will give it 5 stars! (to clarify: I'm using it for Gantt charts)
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György Chovanyecz
October 28, 2020
Almost perfect but there is a difference between the google doc version and the native mermaid online editor. The native mermaid editor can parse generic types of a class memberproperty like this. -List<User> users but the google doc version parser stuck with the character '<'.
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Andrew Harris
August 28, 2020
Great app--edit feature is clutch. Bit more of a graphical editing option would be great, but thats above/beyond expectations. 5 stars.
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A User of Mermaid
October 21, 2019
Very cool. Works as expected. Working with the author to fully implement some more of the Mermaid spec.
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