promptShield

What it does

The AI data barrier, solved. Anonymize sensitive documents before they reach any AI - then decode the response to restore the real values. 100% offline: nothing ever leaves your machine. Unlike enterprise PII tools built for dev teams (API keys, SDKs, cloud pipelines), promptShield is a desktop app a solo professional installs in two minutes. Detects names, emails, IBANs & more across 7 languages. Free for ever for individuals.

promptShield anonymizes names, IDs, and sensitive data before it reaches any AI — then decodes the answer on your machine. 100% offline, GDPR-compliant by design.

promptShield removes sensitive information from your documents before you share them with any AI — locally, in seconds, with no data ever uploaded. That's Shadow AI — not a strategy, but a habit every professional and organization needs to eliminate. Not by banning AI, but by making it safe to use on the work that matters. Real work stays outside AI. The productivity gap grows silently. Time-consuming, error-prone, no audit trail — and it still makes the AI worse. One pass finds what's sensitive and swaps it for safe codes — then restore it whenever you want, all on your own machine. We could write three paragraphs explaining how it protects your document. Or you could press play. The web…from promptshield.ca

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