diagrams.net

Flowchart and diagram editor that saves to your device or cloud drive and exports PNG, SVG or PDF.

Artifact by JGraph

IndexedApache-2.0★ 9,093Design & imagesNo sign-up

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Opens app.diagrams.net in a new tab. Nothing to install.

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You provide: Shapes and connectors placed on a canvas
You get: Diagram files exported as PNG, SVG, PDF or XML
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: Open-source web app
Source: Open source
Link check: Answered on Oct 31, 2026

About

diagrams.net is an open-source web app in the design media category (diagram editor). It opens in your browser, so there is nothing to install. You provide shapes and connectors placed on a canvas and get diagram files exported as PNG, SVG, PDF or XML. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (jgraph/drawio).

Category: Design & images · diagram editor

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Stars: 9,093

Details

Auth: No auth
License: Apache-2.0
Repository: github.com/jgraph/drawio
Website: app.diagrams.net/
First seen: Oct 31, 2026
Last checked: Oct 31, 2026
Source: GitHub

Cite this page

diagrams.net: free online tool. Agent Mart. https://agentmart.dev/artifacts/diagrams-net (last updated 2026-10-31)