Are we allowed to remotely fetch ".onnx" format files?

[A.S]

Google has clearly mentioned that we are not allowed to execute remotely fetched code. However, I wanted to know if I can at least remotely fetch ML models with ".onnx" format? The files that I'm dealing with are around 400mb, and I don't feel comfortable bundling such large files with the extension

[Oliver Dunk]

Hi,

As you mention, fetching and executing remotely hosted code is against our policies in Manifest V3: https://developer.chrome.com/docs/webstore/program-policies/mv3-requirements/

We do allow for remote configuration, as long as the full set of behaviors of your extension is easily understandable from your submission.

We haven't looked at .onnx files with this policy in mind, so I can't give a definite statement I'm afraid. Based on a quick glance, it seems there is more than raw data (including some information about the model graph), but I didn't immediately see anything that looks more arbitrary in nature. With that in mind, this might be ok, but I wouldn't be able to promise anything.

I hope that helps!

Oliver Dunk | DevRel, Chrome Extensions | https://developer.chrome.com/ | London, GB

On Mon, May 19, 2025 at 1:01 PM 'A.S' via Chromium Extensions <chromium-...@chromium.org> wrote:

Google has clearly mentioned that we are not allowed to execute remotely fetched code. However, I wanted to know if I can at least remotely fetch ML models with ".onnx" format? The files that I'm dealing with are around 400mb, and I don't feel comfortable bundling such large files with the extension

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