Is Chat GPT Diagram safe?

Low risk

Chat GPT Diagram sends PlantUML code blocks from ChatGPT pages to plantuml.com for diagram rendering.

When you view ChatGPT pages, Chat GPT Diagram looks for PlantUML code blocks and converts their contents into image requests to plantuml.com. The encoded diagram text is placed in the request URL so plantuml.com can render the diagram image.

Part of this rating comes from analysis signals we haven't published as detailed findings yet.

Ali AKBAYv0.1.0Chrome Web Store
15Risk

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

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Where it sends data

Destinations our analysis observed Chat GPT Diagram contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • www.plantuml.com

    Chat GPT Diagram sends data to www.plantuml.com. 3 other extensions we have analysed send data here.

Updated 30 September 2026japdopdhoafhoplcmbamjbbmdigboolm