Sometimes you need to convert PostgreSQL to RedShift, you can use Withdata DBCopier as PostgreSQL to RedShift Converter (Copier / Transferor / Importer).
Works GREAT in 2025.
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 PostgreSQL to RedShift in GUI, and Saving "PostgreSQL to RedShift" session, then you can:
After converting PostgreSQL to RedShift in Command Line, then you can schedule and automate "PostgreSQL to RedShift" conversion task by: