SentriByte

Prevents accidental leakage of API keys, credit cards, passwords, and secrets from your browser.

SentriByte is a client-side Data Loss Prevention (DLP) extension that helps prevent the accidental exposure of confidential credentials, access tokens, and sensitive personal information directly in your browser. 🔐 Built-in Security Scanners • Cloud platform access keys and credentials • Software API keys and authentication tokens • Private cryptographic keys and certificates • Database connection strings • Payment cards with checksum validation • High-entropy random secret detection • Support for custom organization regex patterns 🛡️ Active Protection Points • Clipboard paste protection with user confirmation • Drag-and-drop content inspection • Form submission safeguards for public web forms • File upload safety warnings • Optional outbound request monitoring ⚡ 100% Offline & Private • Zero cloud communication — all scanning runs entirely in your local browser • No telemetry, tracking, or remote data collection • Minimal permissions required (storage and active tab only) • Secure by design: secrets are analyzed locally and never saved or transmitted ⚙️ Flexible Controls • Enable or disable individual scanners based on your workflow • Whitelist trusted internal sites and domains • Export and import configuration settings across devices • Clean light and dark theme options SentriByte protects your confidential data before an accidental leak happens.