Free AI ER Diagram Generator Online
Make ER Diagrams, Customize Online with Design Editor
Template.net’s AI ER Diagram Generator transforms your ideas into clear data structures within seconds. Simply type or speak your prompt, and the tool instantly creates editable ER diagrams designed to fit your goals. You can adjust entities, relationships, and attributes directly in the editor. With just a few clicks, transform a basic concept into a polished ER diagram ready for database design or academic use.

Design Custom, Printable ER Diagrams for Free
Create professional ER diagrams to map out systems, databases, and processes effectively.
AI-Powered ER Diagram Creation
Generate ER diagrams from text or voice prompts instantly. The AI ensures layouts are logically structured and easy to interpret.
Multiple Diagram Types
Choose from conceptual, logical, or physical ER diagrams. Adapt each type to suit software development, academic projects, or business databases.
Editable Shapes and Connectors
Drag, drop, and resize entities, attributes, and connectors with ease. Maintain clarity while customizing for your unique requirements.
Collaboration Tools
Invite team members to edit ER diagrams in real time. Streamline database planning, academic work, or group projects efficiently.
Color and Theme Options
Apply themes or create your own color schemes for better visualization. Use consistent styling to highlight entities, primary keys, or relationships.
Background Replacement
Remove default backgrounds and swap them with new ones. Keep ER diagrams clean and focused while enhancing readability.
Text and Icon Insertion
Add labels, notations, or custom icons to clarify entity attributes. Icons and visuals improve comprehension at a glance.
Crop and Resize Features
Resize ER diagrams to fit reports, presentations, or academic documents. Adjust proportions without losing quality.
Workspace History & Auto-Save
Every update is saved in real time, ensuring progress is never lost. Built-in version history allows you to revisit drafts, compare structures, or restore earlier ER models.
High-Quality PNG Downloads
Export ER diagrams instantly in PNG format for clear, crisp visuals suitable for documentation, printing, or digital use.
Cross-Device Editing
Work on ER diagrams from desktops, tablets, or phones. Flexibility ensures productivity anytime, anywhere.
Folder & Project Organization
Sort and manage ER diagram files into folders. Keep academic, corporate, or research projects well organized.
Brand Kit Support
Apply your institution’s or company’s logo, fonts, and colors instantly. Maintain brand identity across all ER diagrams.
Progress and Revision Tracking
Track structural changes and revisions over time. Revert to earlier versions if needed for accuracy.
Reusable Templates
Save custom ER diagram templates for recurring projects. Build consistency and save time on future database designs.
Data Import Compatibility
Import schema details from spreadsheets or text files. Automatically convert imported data into structured ER diagrams.
Multilingual Support
Create ER diagrams in multiple languages, including English, Spanish, Chinese, Hindi, Arabic, Portuguese, Bengali, Russian, Japanese, French, German, Korean, Italian, Turkish, Vietnamese, Urdu, Persian, Polish, Thai, Punjabi, and more. This makes it easier for global teams and students to collaborate.
One-Click Sharing
Share ER diagrams to social platforms, cloud storage, or embed them in presentations. Keep collaboration seamless and efficient.

How to Make a Free AI-Generated ER Diagram
Just type what you need, let the AI create structured ER Diagrams, customize the details, and export in any format all in under 10 seconds.
Step 1: Enter Your Prompt & Generate an ER Diagram
Type or speak your idea into the AI ER Diagram Generator, and let it create a structured ER model. The tool interprets your request and produces entities, attributes, and relationships instantly.
Step 2: Review & Edit Your ER Diagram
Open the generated ER diagram in the drag-and-drop editor to customize it further. Add entities, refine attributes, change connectors, or adjust colors for clarity.
Step 3: Save, Share, or Export
Use version history to revisit earlier drafts or export your finished ER diagram in PNG format. Share directly on WhatsApp, LinkedIn, Instagram, Facebook, X (Twitter), Pinterest, Messenger, or Reddit.
Work Smarter and Promote Your Brand
Generate ER Diagrams with Your Brand
Generate ER diagrams that match your needs, then apply your brand elements like logos, fonts, and colors instantly to keep documentation professional.
Customize Your ER Diagrams
Adapt layouts to illustrate data relationships for software, education, or business use. Each customization ensures the ER diagram communicates system structures effectively.
Share Anywhere, Collaborate Instantly
Send ER diagrams through cloud storage or share directly on social platforms. Collaborate in real time with teammates, students, or clients to speed up database design.
Smart Workspaces to Keep You Moving
Keep all ER diagram projects organized in workspaces. Assign roles for controlled editing access. Reuse ER diagram templates for recurring workflows.
ER Diagram FAQs
What is an ER diagram? Definition
An ER diagram (Entity-Relationship diagram) is a structured visual model used to represent entities, attributes, and relationships in databases and systems.
How to use the AI ER Diagram Generator?
Simply type or speak your prompt into the generator, and the AI will create a matching ER diagram. You can refine and edit it in the editor before exporting.
What file format can I export ER diagrams in?
You can download your ER diagram in PNG format, suitable for documentation, print, and digital use.
What are the common uses of ER diagrams?
ER diagrams are widely used in database design, software engineering, research projects, and academic assignments. They simplify communication and ensure accuracy in data modeling.
Can I edit ER diagrams on my mobile phone?
Yes, the editor works smoothly on phones, tablets, and desktops for full flexibility.
Is the AI ER Diagram Generator free to use?
Yes, you can generate and edit ER diagrams for free. Premium features may be available for advanced tools or extended storage.
Who can benefit from using the AI ER Diagram Generator?
Database designers, software engineers, educators, students, and business analysts can all benefit. It is a versatile tool suitable for multiple industries and learning environments.