PENDING SCAN · IN QUEUE
Letterhead
Chrome extension·by Letterhead
We haven't scanned this extension yet
Extenshi is a community-driven security scanner for browser extensions.
This one's in our queue — we'll have a full risk report ready soon.
Skip the queue
Is this your extension?
Claim Letterhead as its verified author to trigger an immediate scan — bypassing the public queue — and get a full security report within minutes.
- Instant priority scan. No waiting in the public queue — your scan starts the moment you verify.
- Private pre-release scans. Scan dev builds before you ship; fix issues before the public sees them.
- Respond to findings. Post official responses, dispute false positives, link your remediation commits.
- Verified author badge. Users know the report page is maintained by the people who ship the extension.
Verification takes ~2 minutes via your developer account on the Chrome Web Store, GitHub, or a DNS TXT record on your site.
Just browsing?
Get notified when the scan finishes
We'll email you a link to the full security report as soon as it's ready. Confirm via the email we send and you're set — no account required.
We'll only email you once, for this extension. No newsletters, ever.
What we know so far
Version
0.6.4
Last updated
Apr 8, 2026
Installs
97
Store rating
—
Permissions
3
Safety score
pending
Metadata sourced from the Chrome store. A full security scan adds dozens of additional signals across permissions, network, and code analysis.