A fast, lightweight browser-based diagramming tool
Diagram App is a free, browser-based SVG diagramming tool built for engineers, architects, and teams who need to create clear, professional diagrams without installing software or signing up for an account.
The editor runs entirely client‑side — your diagrams never leave your browser. No accounts, no data collection, no storage — just a fast, lightweight interface for creating AWS, Azure, GCP, and custom diagrams.
Diagram App ships with a curated icon library covering the major cloud providers and custom shapes:
Use it to create:
There are no licences, no fees, and no registration requirements. You are free to use the application for personal, educational, and commercial work.
The editor runs entirely client‑side, meaning your diagrams never leave your browser. No accounts, no data collection, no storage — just a fast, lightweight interface for creating AWS, Azure, GCP, and custom diagrams.