Is XDown safe?
Most notable: talk to programs on your computer, access data on all websites, read and write cookies.
This extension has not been updated in 32 months. Unmaintained extensions keep whatever permissions they were granted, and security fixes stop arriving.
What it can access (5 permissions)
Read from the extension’s own manifest. These describe what it is technically able to do — not what it does do.
- Talk to programs on your computercritical
Exchange messages with a companion application installed outside the browser, beyond Chrome's sandbox.
- Access data on all websitescritical
Read and change the content of every site you visit, including banking and email.
- Read and write cookieshigh
Read session cookies, which in some cases are enough to access an account without the password.
- Manage downloadsmedium
Start downloads and read your download history.
- Right-click menulow
Add entries to the browser's context menu.
Alternatives
Is this your extension?
Track your rating, install count and competitors over time, and get alerted when a rival ships an update or your ranking moves.
Claim this extensionData read from the Chrome Web Store listing on 2026-09-16. Install counts are the store’s own rounded buckets. Permission descriptions are derived from the extension’s published manifest. This page describes capabilities, and is not an accusation of misuse.