Settings
Use Settings to control how MD Editor behaves on your devices and to manage account-level configuration.
Preferences
Common preferences include:
- Theme (light/dark)
- Editor behavior and preview defaults
- Rendering options (for example diagrams/themes)

AI settings
If you use AI features, Settings includes AI provider/model configuration.
See: AI writing.
API keys
API keys are used for the CLI and integrations.
See: API Keys.
Billing
Plan and billing management depends on your account and region. If you need to upgrade or manage your subscription, start from the pricing page: