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Security-first diagramming for teams

Bring your storage to our online tool, or save locally with the desktop app. Your data stays yours—we can't access it.

Start Diagramming Desktop App

Free forever • No sign-up required • Open source

draw.io editor interface showing diagram creation
100M+Users worldwide
Open SourceApache 2.0 License
Since 2005Trusted for 20 years

Why teams choose draw.io

Professional diagramming without the enterprise price tag or privacy compromises.

Backwards Compatible

Diagram files created in 2005 load in today's app. Your work is never obsolete.

Share with Everyone

No license worries—anyone can open and edit draw.io files, on any platform.

Real-time Collaboration

Work together with shared cursors. Everything you expect from professional diagramming.

Privacy First

Store your data wherever you want. We cannot access it—ever.

Open Source

Apache 2.0 licensed. No artificial scarcity, no Enterprise tier for SSO.

Independent

Not VC-funded. Private company focused on great software, not inflating valuations.

Works where you work

Native integrations with your favorite tools—no import/export hassle.

Google logoGoogleDrive, Docs, SlidesMicrosoft logoMicrosoftSharePoint, OneDrive, TeamsAtlassian logoAtlassianConfluence & JiraGitHub logoGitHubRepos & MarkdownVS Code logoVS CodeEditor ExtensionNotion logoNotionChrome Extension
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For Developers

Embed diagrams anywhere

Embed interactive diagrams in your docs, wikis, or applications. Export to SVG, PNG, PDF, or keep them editable.

Read the Docs View on GitHub
Embed in HTML
<!-- Embed an editable diagram -->
<iframe
  src="https://viewer.diagrams.net/?
    edit=_blank&
    layers=1&
    nav=1#Uhttps://..."
  style="width:100%; height:400px; border:0;">
</iframe>

Start diagramming in seconds

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