Database Online Designer

• Free online database schema design tool
• Visually design table structures and fields, then generate CREATE TABLE SQL with one click

1. Open the tool page — no installation needed
2. Pick a database type (MySQL or PostgreSQL), click «Add Table» to create a table, then add columns and set the name, type, length, default value, comment and constraints like primary key
3. Click «Generate SQL» to build the CREATE TABLE statements, then copy or download the SQL on the right

• This tool is completely free and requires no sign-up
• Everything runs locally in your browser — your data never leaves your device

Free online database schema designer tool. Visually design table structures, field types, primary keys, indexes for MySQL and PostgreSQL. Generate CREATE TABLE SQL statements with one click.

Open the tool page — no installation needed Pick a database type (MySQL or PostgreSQL), click «Add Table» to create a table, then add columns and set the name, type, length, default value, comment and constraints like primary key Click «Generate SQL» to build the CREATE TABLE statements, then copy or download the SQL on the right

This tool is completely free and requires no sign-up Everything runs locally in your browser — your data never leaves your device

Yes, Database Online Designer is completely free. No download or installation required — it runs right in your browser.