✓ Mermaid Chart
Diagramming & Visualization Software
Turns text or Markdown-style syntax into flowcharts, sequence diagrams, and more in seconds.
Why we recommend them
Mermaid Chart is a diagramming tool built by the creators of the open-source Mermaid.js library, letting users generate flowcharts, ER diagrams, Gantt charts, and other visuals from natural language or code. It's aimed at developers, data analysts, project managers, and other teams needing to document systems, workflows, or ideas quickly. It supports real-time collaboration, AI-assisted diagram creation, and integrations with tools like VS Code, GitHub Copilot, and Confluence.
✓Free plan available with paid tiers for teams
✓Built on open-source Mermaid.js (89k+ GitHub stars)
✓Supports SOC2 compliance, SSO, and IDE/plugin integrations
What we actually verified
8.5/10 TrustScore—Money-back guarantee verified
✓Free trial available“…lear at a glance, quick to build, and made to evolve. Paste Start free Or continue with Google GitHub Made for teams like yours —”
✓Reachable customer service“…ur user settings in Mermaid Chart or by sending an email to [email protected]. Your choices Opt-out of communications You ma”
✓No fine-print return conditions
✓No unrealistic claims detected
Vetted 2026-07-14 · How we vet →
Common questions about Mermaid Chart
Is Mermaid Chart legit and safe to buy from?
Yes — Mermaid Chart passed the WhatiseBrokering.com vetting checklist (try before you buy, no fine-print returns, a real way to reach them, realistic claims only) before being listed. We remove companies that stop meeting the standard.
Can I try Mermaid Chart before committing, or get my money back?
Every company in our directory must offer a free trial or, at minimum, a 7-day money-back guarantee from the day your product arrives — with no fine-print return conditions like "unopened" or "original packaging". Mermaid Chart met this requirement at the time of vetting.
How do I reach Mermaid Chart if something goes wrong?
Mermaid Chart publishes a real customer-service contact (phone or email) — that's a listing requirement. If you can't get a response, tell us at [email protected] and we'll review their listing.
Why is Mermaid Chart listed on WhatiseBrokering.com?
We discovered and vetted Mermaid Chart ourselves. They don't pay us anything — they're listed purely because they meet the standard.