The latest articles on DEV Community by Woody (@woody_eda35d7456d59b07de9). https://dev.to/woody_eda35d7456d59b07de9 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4094279%2F6837e616-27f0-4999-8689-438025287f60.png https://dev.to/woody_eda35d7456d59b07de9 en Woody Tue, 25 Aug 2026 13:36:13 +0000 https://dev.to/woody_eda35d7456d59b07de9/protect-sensitive-data-before-sending-it-to-an-llm-48dj https://dev.to/woody_eda35d7456d59b07de9/protect-sensitive-data-before-sending-it-to-an-llm-48dj <h1> Protect sensitive data before sending it to an LLM </h1> <p>I built <strong>Anon</strong> to remove PII from text and PDFs before they are sent to tools like ChatGPT or Claude.</p> <p>It detects sensitive data automatically, lets you review or manually protect anything it misses, and replaces it with reversible placeholders such as:</p> <p><code>[EMAIL_A12F_REDACTED]<br> [PERSON_B83C_REDACTED]<br> [MANUALBLOCK_D91A_REDACTED]</code></p> <p>You keep a private JSON map so the original values can be restored later.</p> <p>It supports both text and PDFs, with no account required for basic use.</p> <p><a href="https://anonymise.online" rel="noopener noreferrer">https://anonymise.online</a></p> <p>I’m looking for feedback, especially on detection accuracy and the PDF workflow.</p> ai webdev programming security