Turn a schema dump into a diagram your team can actually read — without redrawing boxes by hand.
Paste your CREATE TABLE statements and get a Mermaid entity-relationship diagram — entities, columns, keys and inferred relationships you can drop straight into docs.
Free tier: 5 diagram generations per month · or unlock forever for $4.99
Illustrative diagram code — your output reflects the tables and keys you paste in.
Every card is something members actually do inside Datamata — not a vague promise.
Paste your CREATE TABLE statements and get a readable diagram without redrawing boxes.
Foreign keys and naming conventions become labelled relationships with cardinality.
Mermaid shows up in GitHub, Notion and most docs tools with no extra plugins to install.
Generates Mermaid erDiagram code from raw CREATE TABLE statements
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Generates Mermaid erDiagram code from raw CREATE TABLE statements
Infers relationships from foreign keys and naming conventions, with cardinality
Renders in GitHub, Notion and most docs tools with zero extra setup
Start free, upgrade when you need more.
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$9.99/moUnlimited ERD generation with relationship inference
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In action
Paste your CREATE TABLE statements and get a readable diagram without redrawing boxes.
Try SQL to ERDGo deeper
Foreign keys and naming conventions become labelled relationships with cardinality.
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