Is Numbr safe?
Numbr runs recurring CPU-intensive code in its popup when the extension is opened.
When you open Numbr's extension popup, its code starts a repeated main-thread loop that spends most of each second calculating prime numbers. The available claim does not show browser data being sent to any external service; the evidenced behavior is local compute use while the popup is open.
Part of this rating comes from analysis signals we haven't published as detailed findings yet.
AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.
Publishers can request a review.
What it can do
Permissions this extension asks for, as declared in version 2.2. 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 numbr.dev
https://numbr.dev/