Directory / Design & Creative

DiagramSmith

Free flowchart & diagram maker; opens .drawio and Mermaid

Free / paid plans

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What people use it for

editing .drawio and Mermaid files Flowcharts Gantt charts UML/ER diagrams

Who it suits

Developers product managers and teams who need diagrams students

Available on

Android Web Windows

Often compared with

draw.io Lucidchart Miro

About the product

What does DiagramSmith do?

DiagramSmith is a diagram maker that runs in your browser, with apps on Android and Windows. Make flowcharts, UML, ER diagrams, Gantt charts, timelines, org charts, mind maps and Venn diagrams from a template or a blank canvas, open .drawio and Mermaid files, and export PNG, SVG or PDF. No account is needed for free use. Pro adds vector PDF, editable .drawio export and a flowchart check that finds dead ends.

Who it’s for

Who should use DiagramSmith?

Developers, product managers and teams who need diagrams, students are the clearest fit based on how the product is positioned.

Quick fit check

Best fit

Pricing: Free / paid plans

Platforms: Android, Web, Windows

Cost

How much does DiagramSmith cost?

Free / paid plans Check the provider’s own page for the latest pricing, packages and terms.

Directory note

Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.

Profile last updated 12 Nov 2026.

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