Is YouTube Downloader safe?
YouTube Downloader adds download buttons to YouTube watch pages and fetches YouTube's player JS at runtime to decode video URLs.
The extension injects a content script into YouTube watch pages that adds download controls. To generate working download links, it fetches YouTube's player JavaScript, extracts a signature-decoding function from it via regex, and executes that function body using eval() to transform obfuscated video URLs into downloadable ones. All network activity is limited to www.youtube.com; no user data is sent to third-party servers.
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.
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What it can do
Permissions this extension asks for, as declared in version 1.6.30. 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 www.youtube.com
*://www.youtube.com/*
Start, monitor and manage your downloads
downloads
See the address and title of every tab you have open
tabs