Configuration
Settings
Configure ProtoFlow's behavior, appearance, AI models, and billing from the Settings dialog.
# App Settings
General application settings that control ProtoFlow's core behavior.
| Setting | Default | Description |
|---|---|---|
| Analytics | On | Enable or disable anonymous usage analytics. ProtoFlow respects your privacy. |
| Trackpad Zoom Inversion | Off | Invert the zoom direction when using a trackpad. Useful for natural scrolling users. |
| Grid Visibility | On | Show or hide the grid on the canvas. |
| Grid Size | 10.0 | The spacing between grid points in canvas units. |
| Snap to Grid | On | Automatically align elements to the nearest grid point when placing or moving. |
| Auto-Save Interval | 5 min | How frequently ProtoFlow auto-saves your work. |
| Recent Files Count | 10 | Number of recently opened files to display on the welcome screen. |
Settings dialog showing general app settings
# AI Configuration
Configure the AI Copilot's model, behavior, and API keys.
Model Settings
- Model selection — Choose the AI model from the dropdown (Auto, Pro, Gemini, GPT, Claude variants)
- Mode selection — Choose between Agent, Ask, and Plan modes
- Reasoning effort — Adjust how deeply the AI analyzes complex problems (for supported models)
Scoping Settings
- Schematic scope — Single schematic or all open schematics
- Annotation usage — All, text-only, shapes-only, or none
- Connection style — Auto, direct wires, or net labels
API Keys
ProtoFlow uses its own API keys by default (included with your credits). For power users, you can optionally enter your own API keys for each provider:
- Google Gemini API key
- OpenAI API key
- xAI Grok API key
- Anthropic Claude API key
API keys are stored securely and never transmitted to ProtoFlow servers.
# Theme & Appearance
Customize ProtoFlow's visual appearance with built-in theme options.
Available Themes
Light
Clean, bright theme for well-lit environments
Dark (Black)
Pure black backgrounds, ideal for OLED displays
Dark (Blue)
Dark blue tint for reduced eye strain
Switch themes from the toolbar theme button or from Settings. Your theme preference is saved and persists across sessions.
# Credits & Billing
ProtoFlow uses a credit-based system for AI features. New users receive free credits to get started.
How Credits Work
- Free credits — New users receive free AI credits upon sign-up
- Credit usage — Each AI interaction consumes credits based on the model and complexity
- Token tracking — View token usage per message and total conversation cost
- Rate limiting — When credits run low, a notification prompts you to purchase more
- Credit purchase — Purchase additional credits via Stripe from the Settings panel or when prompted
Viewing Usage
Your current credit balance is displayed in the AI Copilot panel. Click it to see detailed usage history and purchase more credits.
Credits panel showing current balance, usage history, and purchase options
Next Steps
- → Customize your workspace with UI Customization
- → Learn all Keyboard Shortcuts