DB Explorer is a free, cross-platform database query tool and schema explorer built for developers, DBAs, and data analysts. It provides a clean graphical interface for connecting to multiple database systems, writing and executing SQL, exploring schemas, monitoring database health, and generating SQL queries using AI — all from a single application.
Supported Databases: PostgreSQL, MySQL, MariaDB, SQL Server, Oracle, SQLite, Amazon DynamoDB, and any JDBC-compatible database.
Features
- Core Features: Query execution, schema exploration, pagination, exports, connection health monitoring
- User Experience: Multi-theme GUI, color-coded status messages, confirmation dialogs, keyboard shortcuts
- Database Features: Support for 8+ database types, metadata viewing, relationship visualization
- Performance & Reliability: Lazy loading, configurable limits, connection pooling, memory management
- Supported Databases: PostgreSQL, MySQL, SQL Server, Oracle, SQLite, DynamoDB, and JDBC-compatible databases
- Administrative Features: Health dashboards, statistics viewing, configuration management
- AI SQL Generator Assistance: Generate SQL query as per selected context and instructions given in natural language
- Schema diagram / ERD export as PNG image or Mermaid markup






