IP address scrubber
Server logs are gold for AI-assisted debugging — and full of personal data. IP addresses are personal data under the GDPR, so pasting raw logs into a third-party model is a privacy risk. This scrubber detects every IPv4 and IPv6 address and replaces it with an anonymized placeholder, locally in your browser, while keeping the rest of the log intact.
How it works
Paste your logs and the tool runs a strictly validated IPv4 pattern (octets
limited to 0–255) and a broad IPv6 pattern that covers compressed forms. With
consistent tokens enabled, each unique address maps to a stable placeholder like
[IPv4_3], so you can still correlate requests from the same client during
analysis; disable it for a flat redaction where every address becomes a generic
token. Counts of unique IPv4 and IPv6 addresses show what was replaced. Nothing
is uploaded.
Tips and notes
- Keep correlation when you need it. Consistent tokens preserve “same client” grouping, which is often the whole point of analyzing logs.
- IPs are personal data. Treat anonymization as a GDPR requirement before logs leave your control, not an optional nicety.
- IPv4 is tightly validated. Octets must be 0–255, so version strings and most ordinary numbers are left alone.
- Glance at IPv6 output. That pattern is intentionally broad — if your data has lots of colon-separated hex, confirm nothing benign was caught.