Draw.io

draw.io is a free online tool for drawing diagrams, also known as diagrams.net. You can make flowcharts, org charts, network diagrams, and more right in your browser. No account or credit card is needed — just open it and start drawing. It supports real-time collaboration, so teammates can edit the same diagram with shared cursors. Your files stay private because you choose where to store them. It can export to SVG, PNG, and PDF, and embed diagrams in docs and wikis.

Key Features

1. Real-Time Collaboration

Work on the same diagram with your team at once. Shared cursors show where everyone is, just like professional diagramming tools.

2. No Account Needed

You can start diagramming in seconds with no sign-up and no credit card. There are no paywalls and no locked enterprise tiers.

3. Privacy First

Store your diagram files wherever you want — your device, your cloud, your servers. The draw.io team cannot access your data, ever.

4. Export and Embed Anywhere

Export diagrams as SVG, PNG, or PDF, or keep them editable. You can also embed live diagrams in docs, wikis, and apps with an iframe.

5. Open Source

The source code is released under the Apache 2.0 license. Anyone can open and edit draw.io files on any platform, with no license worries.

6. Backward Compatible

Diagram files created back in 2005 still load in today's app. Your work never becomes obsolete when the software updates.

Frequently Asked Questions (FAQ)

What is the difference between draw.io and diagrams.net?

They are the same tool. diagrams.net is the current name of the app, while draw.io remains a popular name and domain for it.

Do I need to create an account to use draw.io?

No. You can open draw.io and start diagramming right away. No sign-up, no credit card, and no download are required.

Where are my diagrams stored?

You decide. You can keep diagrams on your own device or in your own cloud storage. draw.io says it cannot access your data, ever.

Which formats can I export diagrams to?

You can export to SVG, PNG, and PDF, or keep the diagram editable. You can also embed live diagrams in documents, wikis, and applications.

Can my team work on one diagram together?

Yes. draw.io supports real-time collaboration with shared cursors, so several people can edit the same diagram at the same time.

Conclusion

draw.io proves that great software does not need a paywall. It handles everything from quick flowcharts to complex technical diagrams, and it respects your privacy by design. The open-source license plus backward compatibility make it a safe long-term pick. For teams and solo users alike, it is genuinely hard to beat — especially since it costs nothing to use.