Contact

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General

Questions, feedback, anything else.

Something is broken, or your account needs attention.

Data requests, deletion, and anything covered by the privacy policy.

The overlay stopped appearing. Chess platforms change their markup without warning. Check the changelog first, and make sure the extension is up to date. If it is, tell us which site and we will look — those reports are how we find breakage fast.
You want your data, or want it gone. Both are self-service in Settings and take effect immediately. No need to ask.
Billing. Cancellations and invoices are in the Stripe portal, linked from Settings.