Tools · model checker

Validate a model

Paste .alab text, arch-lab JSON, or Mermaid C4. It is checked by the same parsers the editor and view mode use, so anything that passes here will open anywhere in the app. Everything runs in your browser — nothing is uploaded.

Model source

Paste here, or load a sample below.

Format

Load a sample:

Paste a model to check it — .alab text, arch-lab JSON, or Mermaid C4.