Database

SQL builders, schema designers, and database utilities

SQL Query Builder

Build SQL queries visually with support for SELECT, INSERT, UPDATE, DELETE, joins, and conditions

sqlquerybuilder

Database Schema Designer

Design database schemas visually and generate DDL for multiple SQL dialects

schemadatabasedesign

ERD Generator

Generate Entity-Relationship Diagrams in Mermaid, PlantUML, DOT, and DBML formats

erdentityrelationship

SQL Diff Tool

Compare SQL schemas and generate migration scripts for database changes

sqldiffcompare

Connection String Builder

Build database connection strings for PostgreSQL, MySQL, MongoDB, and more

connectionstringdatabase

Redis Command Builder

Redis Command Builder tool

rediscommandbuilder

Elasticsearch Query Builder

Elasticsearch Query Builder tool

elasticsearchquerybuilder

PostgreSQL to MySQL Converter

PostgreSQL to MySQL Converter tool

postgresqlmysqlconvert

MySQL to PostgreSQL Converter

MySQL to PostgreSQL Converter tool

mysqlpostgresqlconvert

SQL Injection Tester (Educational)

SQL Injection Tester (Educational) tool

sqlinjectionsecurity

Database Index Analyzer

Database Index Analyzer tool

indexanalyzerdatabase

Query Explain Visualizer

Query Explain Visualizer tool

explainqueryplan

NoSQL Query Builder

NoSQL Query Builder tool

nosqlmongodbdynamodb

GraphQL to SQL

GraphQL to SQL tool

graphqlsqlconvert

Prisma Schema Generator

Prisma Schema Generator tool

prismaschemagenerator

TypeORM Entity Generator

Generate TypeORM entity classes from SQL DDL statements with decorators

typeormentitygenerator

Sequelize Model Generator

Generate Sequelize model definitions from SQL DDL in JavaScript or TypeScript

sequelizemodelgenerator

Drizzle Schema Generator

Generate Drizzle ORM schema definitions from SQL DDL with type inference

drizzleschemagenerator