Use Withdata DBToMongo as Oracle to MongoDB 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 DBToMongo.
Login to Oracle.

Login to MongoDB.

Click "Convert From Query" at task dialog.

then show the wizard.
1. Enter source Oracle query.

2. Choose destination MongoDB collection and config fields.

3. Set rows options.

4. Export Oracle query results to MongoDB collection.

Click "View", See MongoDB collection data.

Click "Convert From Table" at task dialog.

then show the wizard.
1. Choose source Oracle table.

2. Choose destination MongoDB collection and config fields.

3. Set rows options.

4. Copy Oracle table data to MongoDB collection.

Click "View", See MongoDB collection data.

Click "Convert Similar Tables" at task dialog.

then show the wizard.
1. Select source Oracle tables.

2. Choose a destination MongoDB collection and config fields.

3. Set rows options.

4. Copy data from Oracle to MongoDB.

Click "View", See MongoDB collection data.

Click "Convert All Tables" at task dialog.

then show the wizard.
1. Select source tables.

2. Target collections, choice "Import Type".

3. Map Oracle tables to MongoDB collections.

4. Summary.

5. Batch copy Oracle data to MongoDB.

Click "View", See MongoDB collection data.

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