LW IT Solutions

GA4 PII Checker

Needs a Google sign-in

Unlike the other tools here, this one does not work on its own. It reads from the Google Analytics Data API v1 and therefore asks for a Google sign-in. The permission requested is analytics.readonly — read-only, so nothing can be changed through it.

What it fetches stays in this tab: the evaluation runs in the browser, and nothing is sent to lukaswojcik.com. The OAuth Client ID below is prefilled and can be replaced with one of your own.

Connect directly to the Google Analytics Data API v1 using OAuth 2.0. Scan your property page reports for Personally Identifiable Information (PII) leaks such as email addresses, phone numbers, or unique user identifiers in URL query strings. All checks execute locally in your browser.

1. Google Analytics API Authentication

Status: Not connected

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