### General

Version

Configuration version identifier

Settings Name

Key for storing user settings in local storage

### Canvas & Grid

Default Grid Size
Grid Steps
Zoom Factor
Default Edge Length
Page Width (1/10 inch)
Page Height (1/10 inch)

Page format: US Letter = 850 x 1100, A4 = 827 x 1169

### Appearance

Dark Mode Background
Adaptive Colors
Dark Color CSS Variable
Shadow Color
Shadow Opacity
Shadow Offset X
Shadow Offset Y
Shadow Blur

### Sidebar & Panels

Thumbnail Width
Thumbnail Height
Sidebar Width
Title Font Size (pt)
Shape Picker (JSON)

Custom shape picker entries for the sidebar

### Libraries

Default Libraries

Semicolon-separated library keys shown in sidebar on startup

Enabled Libraries

Libraries available in More Shapes dialog. Leave empty for all.

Default Custom Libraries

IDs or URLs of custom libraries to load on startup

Template File URL
Libraries (JSON)

Custom library sections for the left panel

### Fonts

Default Fonts

Font names for the format panel font picker

Custom Fonts

Additional fonts added before default fonts

Font CSS (@font-face rules)

### Colors

Preset Colors (upper palette)
Custom Preset Colors

Added before preset colors in the colour dialog

Default Colors (lower palette)
Color Names (JSON)

Map of colour codes to display names (tooltips)

### Color Schemes

Default Color Schemes

Colour schemes for the Style section. Each row is a scheme group.

Custom Color Schemes

Additional colour schemes added before default schemes

### Default Styles

Default Text Style
Default Vertex Style (JSON)
Default Edge Style (JSON)
Styles (JSON)

Colours for the Style tab. Keys: commonStyle, vertexStyle, edgeStyle, graph.

### Custom CSS

CSS Rules

CSS rules to customize the draw.io user interface

Custom CSS (alternative)

Injected as a separate style element

### Embedding

### Menu Customization

Hidden Menu Items

Action names of menu items to hide

Hidden Menus

Names of top-level menus to hide

### AI Configuration

OpenAI API Key
Custom GPT URL
Gemini API Key
Claude API Key
AI Actions (JSON)
AI Globals (JSON)
AI Configs (JSON)
AI Models (JSON)

### Export & Security

Max Image Bytes
Max Image Size (px)
Autosave Delay (ms)
Default File Type

### Collaboration & Advanced

Global Variables (JSON)

Global placeholders available in all diagrams

Empty Diagram XML
Empty Library XML

### Confluence Cloud

These options only apply to Confluence Cloud.

UI Theme

### Confluence Server / Data Center

These options only apply to Confluence Server / Data Center.

Default Macro Parameters
Toolbar Style
Links
Width
Border Lightbox Simple Viewer