In MongoDB, you can use MongoDB Compass as it’s GUI tool as this is free of cost and in MongoDB Compass you can easily visualize the data that resides inside the collections of the database. It has a friendly environment where you can see the data displayed in the form of tables and lists which is easier for us to visualize the huge amount of unstructured and structured data.
If you want to learn more about MongoDB then go through this MongoDB course for more insights.
Also, have a look at this professional Full Stack Developer Training, designed to enhance your skills in the field.