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Show HN: Free Mermaid Diagram Editor

https://moxiedocs.com/mermaid-diagram-editor
49•ghosts_•19h ago
I've been slowly adding some new free tools to Moxie Docs (partly for SEO, partly to illustrate some of our feature sets before any commitment) for some reason this mermaid editor one blew up on Google rankings so I figured I'd share in case people find it useful! We also have ADR, AGENTS.md, LLMs, and a few other free tools.

Comments

nonethewiser•17h ago
Probably because the official editor sucks after paywalling features and steering you into signing up.
BLKNSLVR•17h ago
Handy.

I've been (very loosely) trying to get AI to generate diagrams for a while, and even Copilot can't get Visio's file format correct enough to allow Visio to open it successfully.

This is a nice clean interface I can just paste attempts into. Thank you!

keithnz•16h ago
just get ai to generate mermaid, it's super competent at doing it, you don't really need any other tools.
user3939382•15h ago
I’ve found that it can do it, but the aesthetics of the diagrams it generates are awful. I end up going back to manual Omnigraffle.

There is an art to designing the human to human communication aspect of diagrams that transcends which lines connect where.

FailMore•5h ago
I created https://smalldocs.org to help with this. After installing you can tell your agent to "sdoc me a mermaid diagram of X flow" or "sdoc me a visual architecture of this repo" or something, and it handles it nicely (imo!).

Here is the mermaid diagram gallery: https://smalldocs.org/s/PpArByXuNBA5kGS1JVMUW6#k=uTqNRLqzz_T...

Code available: https://github.com/espressoplease/smalldocs

Discord: https://discord.gg/txjATTsDaq

hackthemack•15h ago
Question for mermaid users out there. I have not used mermaid more than just superficially looking at it but it looks to me like a re-implementation of graphviz? Which has been around forever. Is there something it does that makes it more appealing?

I am not knocking this Free Mermaid Diagram Editor either. Seems decent. But, similarly, edotor has been around forever.

https://edotor.net/

stronglikedan•15h ago
Mermaid has become the de facto charting language when working with AI, so it has been elevated to the chosen one, like Python.
qn9n•7h ago
It also renders on GitHub in markdown files with ```mermaid``` code blocks so it's super useful for adding architecture diagrams and similar to your README
dTal•9h ago
It does more types of charts, including Gantt charts. Very useful.
thangalin•14h ago
https://kroki.io/#try

Shout out to Kroki, which offers Mermaid and many other text-based diagramming formats.

rdwrrr•13h ago
Thanks for dropping this here. I have been frustrated for quite some time. I blindly followed the advice to learn some mermaid. Then I discovered that the ecosystem absolutely sucks.
k1r111•2h ago
The only problem with mermaid that GitHub UI renders it poorly. Large diagrams very difficult to view. Any solution for that?

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