SQL to ERD Generator
Paste your SQL CREATE TABLE statements and get a professional relationship diagram instantly. Purely client-side privacy.
Paste your schema on the left to generate the ERD
Why Developers Love This ERD Generator
Zero Config
No account required. No heavy software to install. Just paste your SQL and see the graph.
Privacy Focused
Your database schema is processed locally in your browser. It is never sent to our servers.
Professional Formatting
Uses Mermaid's rendering engine for mathematically optimized layouts and clean relationship lines.
How to Use This Tool
Convert MySQL SQL scripts into beautiful, draggable ERD diagrams. Automatically maps foreign key relationships. Follow these simple steps to get started with the MySQL Schema Diagram Maker tool.
- Open the MySQL Schema Diagram Maker tool in your browser — no installation or sign-up required.
- Paste your code, data, or query into the input editor.
- Adjust any available settings or parameters to match your specific requirements.
- Click the action button to visualize your content. Processing happens instantly in your browser.
- Copy the formatted output or download the converted file. Ideal for development workflows.
What Is MySQL Schema Diagram Maker?
MySQL Schema Diagram Maker is a free, browser-based SQL to ERD diagram generator designed to visualize database schemas as interactive entity relationship diagrams. It requires no downloads, no sign-ups, and processes everything privately on your device.
Convert MySQL SQL scripts into beautiful, draggable ERD diagrams. Automatically maps foreign key relationships. Whether you're a professional, student, or hobbyist, this tool simplifies what would otherwise require expensive software or technical expertise.
Built with modern web technologies, the tool works on any device — desktop, tablet, or mobile. All processing happens client-side, meaning your files and data never leave your browser, ensuring complete privacy and security.
Why You Need This
Here's why MySQL Schema Diagram Maker is the right tool for the job:
- Save time by accomplishing in seconds what would take minutes with traditional methods or desktop software.
- Eliminate the need for expensive subscriptions — this tool is completely free with no hidden limits or watermarks.
- Work from anywhere on any device — fully responsive and optimized for both desktop and mobile browsers.
- Keep your data private and secure — all processing happens in your browser without uploading to external servers.
- Integrate into your development workflow — no CLI setup or dependency installation required.
Pro Tips for Best Results
- For best results, use the latest version of Chrome, Firefox, or Edge browser.
- Bookmark this page so you can quickly access the tool whenever you need it.
- All processing is done locally in your browser — your files are never uploaded to any server.
- Use keyboard shortcuts where available to speed up your workflow — many developer tools support Ctrl+Enter to execute.
- You can process large datasets — the tool uses efficient algorithms optimized for browser performance.
Frequently Asked Questions
Is MySQL Schema Diagram Maker free to use?
Yes, this tool is 100% free with no hidden charges, no sign-up requirements, and no usage limits. You can use it as many times as you need.
Is my data safe when using this tool?
Absolutely. All processing happens directly in your browser using client-side JavaScript. Your files and data are never uploaded to any server, ensuring complete privacy and security.
Does this tool work on mobile devices?
Yes, MySQL Schema Diagram Maker is fully responsive and works on smartphones, tablets, and desktop computers. It's optimized for all modern browsers including Chrome, Safari, Firefox, and Edge.
Do I need to install any software?
No installation is required. The tool runs entirely in your web browser. Simply open the page and start using it immediately — no downloads, plugins, or extensions needed.
Can I use this tool for large files or datasets?
Yes, the tool is optimized for performance and can handle large inputs. Processing happens in your browser using efficient algorithms, so speed depends on your device's capabilities.