Can I draw relationships between tables?

Yes, select two tables and columns to create 1:1, 1:N, or M:N relationships with visual lines on the canvas.

Does it generate junction tables?

Yes, M:N relationships automatically generate junction tables in the SQL output.

Can I export the diagram?

Yes, click Export PNG to download the ERD canvas as a PNG image.

Is the ERD designer free?

Yes, completely free. No sign-up required, no usage limits. All processing happens in your browser.

YantrakoshaYantrakshaPREMIUM TOOLS & UTILITIES

ERD Diagram

Design entity-relationship diagrams visually. Add tables, define columns (PK/FK/nullable), draw relationships (1:1, 1:N, M:N), generate SQL, export PNG. Free online tool.

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