GraphML
Convert any formatto GraphML Convert from GraphMLto any other format
GraphML is an XML-based format.
GraphML is an XML-based file format for graphs. It consists of a language core to describe the structural properties of a graph and a flexible extension mechanism to add application-specific data.
It is widely used for representing graph structures and is supported by various graph visualization and analysis tools.
GraphML is an XML-based format. Its one of the most powerful graph exchange formats. The only feature it doesn't have is graph-in-graphs, directly. It can have graphs-in-edges (or nodes), though. The exact spec is a bit hard to get right, as there are DTDs and XSDs, both in 1.0 and 1.1 versions. Minor differences. No clear source of truth. Is beeing replaced in JSON-world with Connected JSON, which started its life as a GraphML to JSON port.
Alternative Names: Graph Markup Language
Specification| Feature | GraphML |
|---|---|
| Multiple Graphs per Document |  |
| Nodes | |
| Undirected Edges | |
| Directed Edges | |
| Hyperedges | |
| Mixed-directionality Edges | |
| Parallel Edges | |
| Self-loops | |
| Edges on Edges |  |
| Nested Graphs in Nodes | |
| Nested Graphs in Edges | |
| Nested Graphs in Graphs | |
| Node Labels |  |
| Edge Labels | |
| Attributes on Nodes | |
| Attributes on Edges | |
| Attributes on Graphs | |
| Typed Edges | |
Tools(Read & Write)
Read-only Tools
Write-only Tools
See also
Frequently Asked Questions
What is a GraphML file?
A GraphML file stores a graph — its nodes, edges and attributes — in the GraphML format (also: Graph Markup Language). See the feature table above for what it supports.
How do I open a GraphML file?
Open it in a graph tool that supports GraphML, or convert it to a format your tool reads. With GraphInOut you can convert GraphML to GraphML, DOT, Connected JSON and more, right in your browser.
How do I convert a GraphML file to another format?
Use the Convert from GraphML link above: upload or paste your GraphML file (input preset to GraphML), choose a target format and download the result — free, no install.