Privacy

Privacy

On-device tools keep sensitive values in your browser. Network diagnostics disclose their data boundary and run only after your action.

Data that stays in your browser

TOTP secrets, passwords, JWTs, QR images, files, hash inputs and JSON are processed locally. They are not placed in URLs, analytics or local storage.

Disclosed network diagnostics

Ten network tools run only after you press Check. The required IP, hostname or URL may pass through the SFranKey API and the provider listed below.

Network-tool data boundary

100% explicit transparency on data transmission

On-Demand Only
TOOLSENT TO SFRANKEY APITHIRD PARTY / TARGET
Check My IP
Natural source IPIPinfo
IP Lookup / VPN
Selected IPIPinfo
DNS Lookup
HostnameCloudflare DoH
SSL / Redirect / Header
Hostname or URLTarget website
DNS Leak
Session token + resolver IPSelf-hosted probe + IPinfo
WebRTC Leak
Candidates are not sent to the APISelf-hosted STUN sees source IP

Clear local data

Clear theme, language, favorites, recent tools and the splash marker from this device. Network inputs and results are not stored here.