Diagramming Tool

Spec sheet

Purpose

Diagramming Tool creates cloud architecture diagrams, flowcharts, sequence diagrams, ERDs and other diagram types in a browser.Read 11 Oct 2026 · diagrammingtool.com

Free plan

YesRead 20 Sep 2026 · diagrammingtool.com

Trial

The maker says the tool has no trial and no login or sign-up requirement.Read 11 Oct 2026 · diagrammingtool.com

Privacy

The site says it uses Google Analytics and Google AdSense, which can set cookies after consent, and says neither can see diagrams.Read 11 Oct 2026 · diagrammingtool.com

Support

The site offers feedback, feature request and problem report forms, and says it requests an email address to reply.Read 11 Oct 2026 · diagrammingtool.com

Device support

The maker says the editors support phone touch gestures including pinch-to-zoom, panning and tapping to edit.Read 11 Oct 2026 · diagrammingtool.com

Diagram types

cloud architecture,flowcharts,sequence diagrams,entity relationship diagrams,UML class diagrams,C4 container diagrams,Kubernetes topologies,network diagrams,state machines,Gantt charts,Kanban boards,mindmaps,org charts,sitemaps,Sankey flows,XY charts,radar charts,treemaps,fishbone diagramsRead 20 Sep 2026 · diagrammingtool.com

Editors

It offers a free-form canvas for manual placement and auto-layout diagrams edited directly on the picture.Read 11 Oct 2026 · diagrammingtool.com

Export integrations

The maker says exported SVGs open as editable shapes in Figma, Illustrator and Inkscape.Read 11 Oct 2026 · diagrammingtool.com

Exports

Diagrams export as PNG at 1× to 4× or as SVG, with transparent, white or canvas-matching backgrounds; exports have no watermark or limit.Read 11 Oct 2026 · diagrammingtool.com

Import/export formats

PNG,SVG,.diagram.jsonRead 20 Sep 2026 · diagrammingtool.com

Local storage

Diagrams are created, rendered and stored in the browser, and editable work can be saved to disk as a .diagram.json file.Read 11 Oct 2026 · diagrammingtool.com

Notable limit

PNG and SVG exports cannot be reopened in the tool for editing; the maker directs users to save the .diagram.json file for that.Read 11 Oct 2026 · diagrammingtool.com

Provider icons

Its bundled icon picker includes AWS, Azure, Google Cloud, Kubernetes, Docker, Terraform, Postgres, Redis, Kafka and hundreds more.Read 11 Oct 2026 · diagrammingtool.com

Sharing

Share links contain the diagram in the URL fragment, which the maker says browsers do not send to a server.Read 11 Oct 2026 · diagrammingtool.com

Templates

The site offers 37 starting templates, including AWS architecture, CI/CD, incident response, sequence diagrams, ERDs, delivery plans and charts.Read 11 Oct 2026 · diagrammingtool.com

Plans and prices

Every Diagramming Tool plan and price →

Where Specifiction places it

• Diagramming Software#34 of 447.8
• Diagramming tools#39 of 467.5