What should I try next for .puml files?

Choose the PUML file on the home page. OpenOnPhone shows diagram type clues, counts, diagnostics, and source locally. Use a PlantUML renderer when you need exact diagram output or image export.

.puml

Open PUML on Phone

Quick view supported

OpenOnPhone can show a quick view for this format.

Yes. OpenOnPhone can show a quick local view for .puml files in your browser.

What is a .puml file?

PUML is a common extension for PlantUML text diagram source files.

Why is .puml hard to open on a phone?

Phone viewers usually show PUML as plain text without diagram context.
Rendering PlantUML often depends on Java or an online PlantUML server.
A quick local summary helps identify the diagram type, key objects, and syntax markers.

What OpenOnPhone does not do

OpenOnPhone is for quick local inspection. It does not replace the original professional app for editing, conversion, exact layout, formulas, measurements, security review, or full workflow features.

MIME examples

text/plain
text/x-plantuml

Next steps

Choose the PUML file on the home page.
OpenOnPhone shows diagram type clues, counts, diagnostics, and source locally.
Use a PlantUML renderer when you need exact diagram output or image export.

Related formats

FAQ

What is a .puml file?: PUML is a common extension for PlantUML text diagram source files.
Can OpenOnPhone show a quick view for .puml files on phone?: Yes. OpenOnPhone can show a quick local view for .puml files in your browser.
What should I try next for .puml files?: Choose the PUML file on the home page. OpenOnPhone shows diagram type clues, counts, diagnostics, and source locally. Use a PlantUML renderer when you need exact diagram output or image export.