Sometimes you need to convert SQL Server to PostgreSQL, you can use Withdata DBCopier as SQL Server to PostgreSQL Converter (Copier / Transferor / Importer).
Works GREAT in 2025.
Support Windows, Linux, and macOS.
Can run in GUI mode, Step by Step, just a few mouse clicks.
Can run in CLI (Command Line Interface), for Scheduled Tasks and Streams, for Automation.
After converting SQL Server to PostgreSQL in GUI, and Saving "SQL Server to PostgreSQL" session, then you can: