AI Diagram Templates — Tree Diagram Maker, Probability Tree Maker, ERD & Flowchart Styles
Browse ready-to-use AI diagram templates first, then explore UML, ERD, C4, BPMN, and more. Start from a visual style you like, add your content, and let Diagram AI auto-fill the flowchart or tree diagram. Edit by chat and export to PNG/SVG/PDF.
Select filters to narrow templates by type, style, or purpose.
Basic Flowchart Template
BasicClean, standard flowchart style. Generate by chat, edit instantly, and export PNG/SVG/PDF
Project Gantt Chart
ProfessionalComprehensive project timeline with tasks and dependencies
Default Sequence Diagram
BasicStandard sequence diagram for showing object interactions over time
Colorful Flowchart Template
CreativeVibrant flowchart with color-coded sections for better visual organization
Standard Class Diagram
BasicTraditional UML class diagram showing object-oriented structure
Minimal Flowchart Template
ProfessionalUltra-clean minimalist design focusing on content over decoration
Normalized ER Diagram
ProfessionalWell-structured entity-relationship diagram for database design
Detailed Sequence Diagram
ProfessionalComprehensive sequence diagram with activation boxes and notes
Workflow State Diagram
ProfessionalClear state machine diagram for workflow and process states
How to Use Templates
Pick a Template
Choose a layout that fits your goal or style.
Add Your Content
Paste your text; Diagram AI auto-fills and arranges.
Edit & Export
Refine by chat, then export PNG/SVG/PDF.