No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.

Does it work on mobile?

Yes. The viewer is mobile-first and works on phones, tablets, and desktops.

categories.misc.drawio · .xml

draw.io viewer

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draw.io · .drawio · .xml

draw.io / diagrams.net XML.

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About draw.io

draw.io / diagrams.net XML.

draw.io files are mxGraph XML. We render with the official viewer code so pages, layers, and even custom shape libraries render faithfully.

FAQ

What is a draw.io file?: draw.io files are mxGraph XML. We render with the official viewer code so pages, layers, and even custom shape libraries render faithfully.
Is my file uploaded?: No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.
Does it work on mobile?: Yes. The viewer is mobile-first and works on phones, tablets, and desktops.

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