Guides

Practical, step-by-step walkthroughs for using AI on legal documents. PII never leaves your computer unless you allow it. Safe prompting and troubleshooting guides are on the way.

▶ WatchGetting started: redact PII

A short video of the PII workflow: detect names, SSNs, and addresses in a legal document, redact them into reversible tokens, then decode the AI's reply.

▶ WatchPDF Tools walkthrough

Merge, split, and stamp black redaction boxes on PDFs, all on your computer.

How to redact a document before using ChatGPT or Claude

The full safe-AI workflow in five minutes: detect PII locally, export a tokenized copy, use the AI, then decode the answer back to real names.

Reviewing detected PII before you export

What Lex Redactus detects, how to add a missed name, remove a false positive, and why human review is the safety gate.

Cloud vs. local AI for lawyers: a practical framework

A four-tier decision framework: which matters are cloud-safe, which need redact-first, which call for a local model, and what belongs in no AI at all.