SecureView is an IntelliJ Platform plugin that visually masks password and secret values in editor tabs without changing file contents. Features: Automatically detects common secret key patterns (password, secret, api_key, token, etc.) Supports multiple formats: .properties, YAML, JSON, XML, Java/Kotlin assignments Visual folding that displays as ******** in the editor Does not modify the actual file contents Important: This is a display aid, not a security boundary.