Is CF FetchCodes safe?
CF FetchCodes imports Google Fonts when it injects its Codeforces problem-page stylesheet.
When you open matching Codeforces problem pages, CF FetchCodes injects a stylesheet that imports the Balthazar font from Google Fonts. That font CSS request is sent to fonts.googleapis.com and can include normal web request details such as the page URL, referrer, and IP address.
AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.
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What it can do
Permissions this extension asks for, as declared in version 25.12.07. Asking for a permission is not a finding on its own - it is what the extension can do if it chooses to.
Read and change your data on codeforces.com
https://codeforces.com/*
Where it sends data
Destinations our analysis observed CF FetchCodes 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.
- fonts.googleapis.comwidely used
CF FetchCodes sends data to fonts.googleapis.com. A widely used service: 123 other extensions we have analysed send data here.