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Privacy Policy

KeySleuth is a typing test built for people using split, columnar, and custom keyboard layouts. This page explains, plainly, what data it collects, why, and how you can control or remove it. This isn't a long legal document because the app doesn't do very much with your data -- there's no advertising, no data brokers, and nothing here is sold to anyone.

What's collected

Data	When	Why
Typing test results (WPM, accuracy, error details, keystroke timing)	Every completed test	The app's core purpose -- diagnosing typing errors and showing your progress over time.
Email, display name, profile photo	If you sign in with Google	To sync your test history across devices and let you access it later.
IP address, and an approximate city/region/country derived from it	When the app loads	Shown only to the site admin, for basic traffic visibility (e.g. distinguishing real visitors from bots). The location lookup is performed by a third-party service, ipapi.co -- see below.
An anonymous device identifier	If you use the app without signing in	Lets your own local test history be grouped together without requiring an account.
Bug/feedback reports you submit, including a snapshot of the test you were on	Only if you click "Report Issue" or "Feedback" and submit one	So the person maintaining the app can see exactly what you saw when reproducing an issue.

KeySleuth does not use advertising or marketing cookies, does not run third-party analytics or tracking scripts, and does not sell or share your data with advertisers.

Where it's stored

• Locally, in your browser (localStorage) -- your own test history is kept on your device so the app works without an account. This never leaves your browser unless you sign in.
• In the cloud (Google Firebase/Firestore) -- if you sign in, your test history syncs here so it's available on other devices. Only you (and the site admin, for support/abuse purposes) can access it.

Third parties involved

Service	What it sees
Google Firebase (Authentication, Firestore, Cloud Functions, Hosting)	Everything above, if you're signed in. This is the app's hosting/backend provider -- see Google's Firebase privacy documentation.
ipapi.co	Your IP address, to resolve it to an approximate city/region/country for the admin's traffic view. See ipapi.co's own privacy policy for how they handle that.

Your controls

• Clear History (in the Stats view) deletes your local test history, and -- if you're signed in -- also deletes your cloud-synced history.
• Signing out stops your device from syncing new tests to the cloud; your local history stays on that device.
• Full account deletion (removing your signed-in identity itself, not just your test data) isn't yet a self-service button -- contact the site owner via the Feedback form to request it.
• You can use the app without ever signing in, in which case nothing about you is ever tied to an email address or identity -- only the anonymous device identifier described above.

Children's privacy

KeySleuth isn't directed at children and doesn't knowingly collect data from anyone under 13 (or the relevant minimum age in your country).

Changes to this policy

If what's collected or how it's used changes meaningfully, this page will be updated and the "Last updated" date above will change accordingly.

Contact

Questions, concerns, or a data deletion request -- use the Feedback button in the app, or the "Other" category if it's not a bug report.