Mermaid Chart Reviews & Product Details

I write a lot of user-facing documentation as well as operational runbacks, and Mermaid makes it extremely simple to include graphics, charts, workflow visualizations, etc. I can include the raw code, which makes it easier for others (or Future Me!) to make changes to lt later on. I can use the web interface or IDE extensions (e.g., VSCode). There are also plugins for Confluence, etc.

The syntax isn't overly complicated--basically markdown--but as a lazy person, rather than memorize it, I started using third party AI tools (e.g., Gemini) to describe what I wanted in simple narrative descriptions, and let it create the code for me. Later, I found the native AI capabilities within Mermaid itself made this even easier for realtime chart creation within the mermaid.ai interface.

The price is minimal and worth it. I really couldn't have created these diagrams on my own - my skills stopped with MS Paint. The support is also top notch - very personable, responsive. Review collected by and hosted on G2.com.

Last year, I'd have said the file management/library of saved charts...it was clunky. But they've made huge changes and it's now quite intuitive. Review collected by and hosted on G2.com.

I like Mermaid Charts best for their simplicity and flexibility in creating diagrams using plain text. You can write a few lines of code to generate flowcharts, sequence diagrams, Gantt charts, or mind maps, which makes them easy to version-control and integrate into documentation. They’re lightweight, easy to update, and ideal for technical teams who want to embed diagrams directly in Markdown, wikis, or code repositories without using heavy graphic tools. Review collected by and hosted on G2.com.

Complex diagrams can become hard to read or manage in plain-text format. Custom styling and advanced formatting options are limited compared to graphic design tools. Rendering performance may slow down with very large diagrams, and troubleshooting syntax errors can be tricky for beginners. Additionally, real-time collaboration features are minimal unless integrated with another platform. Review collected by and hosted on G2.com.

I have been using Mermaid Chart for years, primarily for sequence diagrams and flowcharts, and recently for C4 Context diagrams. I was introduced to it by a colleague and instantly appreciated how it allowed me to keep documentation updated by modifying a central Mermaid diagram. Setting up Mermaid Chart was a breeze because it is a SaaS tool. It allows me to create diagrams using clear text easily. The tool is fantastic in helping me collaborate with end users to translate their ideas into visual diagrams and then quickly iterate on them. This significantly reduces rework as shared understanding of processes is achieved much sooner. The ability to save diagrams as PNGs is particularly useful, and it integrates well with other software like Confluence, DevOps, and Word. What makes it the best diagramming tool for me is its ability to remove the need to manually position objects on a canvas, which is especially beneficial since I have ADHD and can overly focus on such tasks. Review collected by and hosted on G2.com.

Nothing Review collected by and hosted on G2.com.

You can just write and draw a chart. makes implementation of flowsharts faster... earlier I used to use draw.io which was cumbersome, took time and had to match each arrow with each block.... editing and manking changes in comples flowcharts was time consuming. Review collected by and hosted on G2.com.

the debugger doesn't work well. even after trying multiple times I was not able to make it work well. Review collected by and hosted on G2.com.

Easy to preserve and format diagrams with text. Review collected by and hosted on G2.com.

Has minor bugs currently for large charts. Review collected by and hosted on G2.com.

Mermaid Chart offers a unique platform for diagramming that is rooted in the Mermaid JS open source project. The foundation of Mermaid text allows software engineers and other savvy diagrammers to write diagrams from text much more efficiently than most GUI based tools. This foundation has also made it the go to language for AI to write diagrams from text and data across ChatGPT, Claude, and most others, which allows Mermaid Chart to have one of the most accurate AI diagram chatting systems available. Great tool for all diagrammers. Highly recommend. Review collected by and hosted on G2.com.

If you don't know Mermaid JS well then the functionality is a bit limited. I expect this to not be a concern with the upcoming whiteboard release. Review collected by and hosted on G2.com.

It is really simple to create diagrams w/o fancy UIs Review collected by and hosted on G2.com.

It has some learning curve to get you to the point of building diagrams, especially more complex ones. Review collected by and hosted on G2.com.