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dia

diagram and flowchart creation program

TLDR

Launch Dia diagram editor
$ dia
Open a diagram file
$ dia [diagram.dia]
Export diagram to image
$ dia -e [output.png] [diagram.dia]
Export to specific format
$ dia -t [svg] -e [output.svg] [diagram.dia]
Export without GUI
$ dia --export=[output.png] --filter=[png] [diagram.dia]
List available export formats
$ dia --list-filters

SYNOPSIS

dia [options] [file...]

DESCRIPTION

Dia is a diagram creation program similar to Microsoft Visio. It supports various diagram types including flowcharts, network diagrams, UML diagrams, circuit diagrams, and more through customizable shape libraries.The application features a GTK-based interface with tools for drawing, connecting, and formatting diagram elements. Diagrams are saved in XML format (optionally compressed) and can be exported to numerous image and vector formats.Dia's extensibility through custom shapes and Python scripting makes it adaptable to specialized diagramming needs. It's widely used for technical documentation and software design.

PARAMETERS

FILE

Diagram file(s) to open.
-e, --export FILE
Export to specified file.
-t, --filter FORMAT
Export format: png, svg, eps, pdf, etc.
--size WxH
Size for bitmap export.
--list-filters
List available export filters.
--nosplash
Start without splash screen.
--help
Display help information.

INSTALL

sudo apt install dia
sudo dnf install dia
sudo zypper install dia
nix profile install nixpkgs#dia

CAVEATS

Native file format differs from other diagramming tools. Some export formats may lose features. Complex diagrams can be slow to render. Font rendering varies across platforms.

HISTORY

Dia was created by Alexander Larsson and first released in 1998. It was developed as a free software alternative to commercial diagramming tools, becoming part of the GNOME project's application suite.

SEE ALSO

inkscape(1), graphviz(1), drawio(1)

RESOURCES

Source code · Homepage