Store JSON in SQL Server NVARCHAR(MAX)

JSON can be stored as SQL Server NVARCHAR(MAX) data.

DBBlobEditor can help you to store JSON as SQL Server NVARCHAR(MAX) data:

Batch import json files into SQL Server TEXT / NTEXT / VARCHAR(MAX) / NVARCHAR(MAX)

Batch export SQL Server TEXT / NTEXT / VARCHAR(MAX) / NVARCHAR(MAX) to JSON files