Briefnote is designed for developers and site administrators who need a secure, centralized location to store development notes and sensitive credentials directly within the WordPress admin interface. The plugin combines a powerful Markdown editor with enterprise-grade encryption for credential storage.

Markdown Notes Editor

Live-rendering WYSIWYG editor powered by Toast UI Editor
Syntax highlighting for PHP, JavaScript, CSS, HTML, SQL, Bash, JSON, and YAML
GitHub Flavored Markdown support including tables, task lists, and fenced code blocks
Auto-save with 2-second debounce to prevent data loss
Manual save option with visual confirmation
Dark and light mode themes

Secure Credentials Storage

AES-256 equivalent encryption using libsodium (XSalsa20-Poly1305)
Support for multiple credential types: Username/Password, API Keys, SSH Keys, Secure Notes
Reveal and copy functionality with audit logging
Optional password re-verification for sensitive operations
Drag-and-drop credential reordering

Permissions & Access Control

Granular per-user permissions: independent View and Edit toggles for notes and credentials
Read-only viewer mode for users with View Notes access
Edit permission controls who can create, modify, and delete content
Automatic capability migration on upgrade
Administrators always have full access

Audit Logging

Comprehensive activity tracking for all credential operations
Notes access and modification logging
Copy/paste detection and logging
IP address recording and user attribution
Configurable log retention period

Security Features

Automatic encryption key generation (no configuration required)
CSRF protection on all operations
Rate limiting on password verification
Input sanitization and output escaping
Memory cleanup for sensitive data

Privacy Policy

Briefnote does not collect, transmit, or share any user data with external services. All data is stored locally in your WordPress database. The plugin does not make any external API calls or load resources from external servers.

Third-Party Libraries

This plugin bundles the following third-party libraries:

Toast UI Editor (MIT License) – https://ui.toast.com/tui-editor
Prism.js (MIT License) – https://prismjs.com/

Both libraries are GPL-compatible and are included locally within the plugin.