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

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
Windows 64 bit
Windows 32 bit
Linux .deb (For Debian, Ubuntu) 64 bit
Linux .rpm (For Red Hat, Fedora, SUSE) 64 bit
MacOS 64 bit

Batch extract JSON files from SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) column

Run DBBlobEditor, login to SQL Server.

Click “Start New Task – Export LOB To Files” at task dialog.

then show the wizard.

1. Configure export settings.

2. Bulk export SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) to JSON files.

then you can see exporting results

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More about SQL Server [TEXT, NTEXT, VARCHAR(MAX), NVARCHAR(MAX)] (CLOB) exporter

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

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