@vivekgalatage: Once you start visualizing your SQL schemas like this, there’s no going back. https://sqltoerdiagram.com

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Summary

SQL to ER Diagram is a free, open-source online tool that converts SQL schemas into interactive entity-relationship diagrams in the browser, supporting multiple databases and export formats without uploading data.

Once you start visualizing your SQL schemas like this, there’s no going back. https://t.co/Yuf065zb1Y https://t.co/fJ9PE6tNGf
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Cached at: 09/27/26, 03:09 AM

Once you start visualizing your SQL schemas like this, there’s no going back.

https://t.co/Yuf065zb1Y https://t.co/fJ9PE6tNGf


SQL to ER Diagram — Free Online SQL Diagram & ERD Generator

Source: https://sqltoerdiagram.com/

SQL to ER Diagram — a free online SQL diagram generator and database schema visualizer. Convert a SQL schema (CREATE TABLE / DDL) into an interactive entity-relationship diagram (ERD) right in your browser. Turn SQL into a diagram instantly — no signup, nothing uploaded.

Paste SQL, see the schema.

Drop yourCREATE TABLEstatements on the left. Drag tables, scroll to zoom, double-click to rename, export when done.

100% local — your schema never leaves your browser. No accounts, no uploads.

SQL to ER Diagram is a free, open-source tool thatconverts a SQL schema into a diagram— an interactive entity-relationship diagram (ERD) — right in your browser. Paste yourCREATE TABLEstatements or raw DDL and instantly visualize tables, columns, primary keys, foreign keys and relationships. Use it as aSQL diagram generator, aSQL schema visualizer, or aSQL-to-ERD converter— it works with PostgreSQL, MySQL, SQLite, SQL Server, Oracle, MariaDB, Snowflake and BigQuery. Drag tables, auto-arrange the layout, add notes, and export to PNG, SVG, Mermaid, DBML or PlantUML. Nothing is uploaded — your schema stays on your machine. It also readsPrisma schemas, DBML, Mermaid, SQLAlchemy and Sequelize. It’s part ofyourbrowsercandoit.com, a collection of free tools that run entirely in your browser — nothing uploaded.

Guides & converters

Frequently asked questions

How do I create an ER diagram from SQL?

Paste your SQLCREATE TABLEstatements into the editor and SQL to ER Diagram instantly renders an interactive entity-relationship diagram. Drag tables to arrange them, then export as PNG or SVG.

How do I convert SQL to a diagram online?

Paste your SQLCREATE TABLEstatements or DDL and the tool instantly converts them into an interactive diagram you can drag, arrange and export to PNG, SVG, Mermaid, DBML or PlantUML — a free online SQL-to-diagram converter, no signup.

Is this a SQL schema visualizer?

Yes. It visualizes any SQL database schema as an entity-relationship diagram — every table, column, key and foreign-key relationship — and works with PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, Snowflake and BigQuery.

Which SQL dialects are supported?

It parses standardCREATE TABLEandALTER TABLEDDL and works with PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, Snowflake and BigQuery syntax, including primary keys, foreign keys, unique and not-null constraints.

Is it free?

Yes. SQL to ER Diagram is completely free and open source, with no account or sign-up required.

Is my data private? Does my SQL get uploaded?

Everything runs locally in your browser. Your SQL schema is never uploaded to or stored on any server.

Can I export the diagram?

Yes. You can export a high-resolution PNG or a vector SVG, save the full project as a file, or copy a shareable link that encodes the diagram in the URL.

Do I need to install anything?

No installation needed. It runs entirely in your web browser on both desktop and mobile.

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