Want to batch export SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) to JSON files ?
Try Withdata DBBlobEditor, a SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) editor, Bulk export SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) to JSON files, East and Fast.
- Can run in GUI mode, just a few mouse clicks.
- Can run in Command line, for Scheduled Tasks and Streams.
- Support Windows, Linux, and macOS.
Download Withdata DBBlobEditor 
Batch extract JSON files from SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) column
Run DBBlobEditor, login to SQL Server.
![Bulk export json files from SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) - login to SQL Server](https://www.withdata.com/images/logon/choose_sql-server_logon.png)
Click “Start New Task – Export LOB To Files” at task dialog.
![Batch extract json files from SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) - Task Window](https://www.withdata.com/images/lobeditor/task-list.png)
then show the wizard.
1. Configure export settings.
![Batch dump json files from SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) - config](https://www.withdata.com/images/lobeditor/batch-export-json-config.png)
2. Bulk export SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) to JSON files.
![Batch save SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) to json files - export](https://www.withdata.com/images/lobeditor/batch-export-json-export.png)
then you can see exporting results
![Batch convertSQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) to json files - view](https://www.withdata.com/images/lobeditor/batch-export-json-view.png)
More about SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) exporter
Download Withdata DBBlobEditor
SQL Server → JSON reference
Type mapping
| Value kind | in SQL Server | in JSON |
|---|---|---|
| Int | int | 1234 (number) |
| Bigint | bigint | 9007199254740993 |
| Decimal | decimal(p,s) | 1234.56 (number) |
| Float | float | 1.234e10 (number) |
| Text | nvarchar(n) | "text" (string) |
| Long text | nvarchar(max) | "multi-line\ntext" (escaped newline inside a string) |
| Date | date | "2026-09-18" (string) |
| Datetime | datetime2 | "2026-09-18T14:30:00Z" (string) |
| Binary | varbinary(max) | "base64:..." (string) |
| Boolean | bit | true / false (boolean) |
| JSON | nvarchar(max) | nested object or array, kept as structure |
Dialect differences
SQL Server is a database server and JSON is a file format, so the gap is wider than a dialect difference – the rows below are where values and structure stop lining up.
| Property | in SQL Server | in JSON |
|---|---|---|
| port | 1433 | — |
| identifiers | [square brackets] | Double quotes; backslash escapes |
| row limit | SELECT TOP n | — |
| dates | datetime, datetime2, date, time | No date type: dates arrive as strings and the reader must p... |
| long text | nvarchar(max) | — |
| binary | varbinary(max) | Not supported natively - base64 inside a string |
| separator | — | Braces and commas |
| encoding | — | UTF-8 by definition |
| typing | — | string, number, boolean, null, object, array - no date type |
| shape | Tables of rows and columns | Nested objects and arrays |
| ceiling | — | Whole document is usually parsed into memory |
Command line
| Side | Command |
|---|---|
| SQL Server | bcp |
| SQL Server (load) | bcp, or BULK INSERT |
Convert your data online, free
Free in-browser converters for CSV, Excel, JSON, XML and SQL: Withdata Online Data Conversion. Large files, batch conversion or scheduling? See the offline desktop apps, or browse all data conversion tools.
