the robot pressing an inking stamp down onto a sheet of text, blacking out several lines into redaction bars, while the boy in the cap holds the page steady and a padlock sits on the table beside them

🕵️ Privacy-Preserving LLM Pipelines: Anonymize Before You Send

Replace PII with semantically realistic fakes before sending to a cloud LLM, then restore the originals from the response. Started with a general model and prompt engineering — then upgraded to a purpose-built 1.7B fine-tune via Ollama.