Use Withdata MongoToDB as MongoDB to PostgreSQL Copier (Converter / Transferor).
Works GREAT in 2025.
Support Windows, Linux, and macOS.
Support all MongoDB deployment types: standalone, replica set, sharded cluster, and MongoDB Atlas.
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.
Start Withdata MongoToDB.
Login to MongoDB.

Login to PostgreSQL.

Click "Import From Query" at task dialog.

then show the wizard.
1. Enter MongoDB query.

2. Choose destination PostgreSQL table and config fields.

3. Preview data.

4. Copy MongoDB data to PostgreSQL.

Click "View", See PostgreSQL table data.

Click "Import From Collection" at task dialog.

then show the wizard.
1. Choose source MongoDB collection.

2. Choose destination PostgreSQL table and config fields.

3. Preview data.

4. Copy MongoDB collection data to PostgreSQL.

Click "View", See PostgreSQL table data.

Click "Import Similar Collections" at task dialog.

then show the wizard.
1. Select MongoDB Collections.

2. Choose destination PostgreSQL table and config fields.

3. Preview data.

4. Copy MongoDB data to PostgreSQL.

Click "View", See PostgreSQL table data.

Click "Import All Collections" at task dialog.

then show the wizard.
1. Select MongoDB collections.

2. Target PostgreSQL tables, choose "Import Type".

3. Map MongoDB collections to PostgreSQL tables.

4. Summary.

5. Batch copy MongoDB data to PostgreSQL.

Click "View", See PostgreSQL table data.

After coping MongoDB data to PostgreSQL in GUI, and Saving "MongoDB to PostgreSQL" session, then you can:
After coping MongoDB data to PostgreSQL in Command Line, then you can schedule and automate "MongoDB to PostgreSQL" conversion task by: