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Description
On-device prompt redaction for AI platforms Protect sensitive information before sending prompts or documents to ChatGPT, Claude, and Gemini. Naosuu is an on-device PII redaction and AI data-protection Chrome extension. It detects sensitive information in prompts and documents, replaces selected values with anonymous placeholders such as [PERSON_1] and [EMAIL_1], and submits the redacted content to your chosen AI platform. When the AI responds with those placeholders, Naosuu restores the original values locally in your browser, giving you a readable response without sending the protected values to the AI provider. ON-DEVICE PRIVACY PII detection, document processing, redaction, and response restoration run locally in your browser. Naosuu uses bundled detection rules and an on-device named-entity-recognition model. Unredacted prompt text, document contents, detected sensitive values, and Vault entries are not transmitted to Naosuu servers. Only the redacted prompt or document text that you approve is submitted to ChatGPT, Claude, or Gemini. KEY FEATURES • Detects names, email addresses, phone numbers, Social Security numbers, dates of birth, financial identifiers, legal references, immigration document identifiers, and other sensitive information • Provides a preflight review so you can confirm, remove, edit, or recategorize redactions before submission • Redacts sensitive information from PDF, DOCX, and text documents locally before the content is submitted • Supports ChatGPT, Claude, and Gemini • Restores protected values locally in AI responses • Includes a private on-device Vault for custom names, terms, identifiers, and redaction rules WHO NAOSUU IS FOR Naosuu is designed for lawyers, compliance teams, HR professionals, healthcare professionals, financial-services teams, and anyone who works with confidential or personally identifiable information while using generative AI. SUBSCRIPTION Naosuu includes a free plan with core on-device PII detection and prompt redaction. A free trial unlocks Pro features for a limited time. After the trial, you can continue using the free plan or subscribe to Naosuu Pro for document protection and expanded privacy features.