Export SQL Server table to JSON Lines (JSONL / NDJSON / LDJSON)

Want to export data from SQL Server table to JSON lines (JSONL / NDJSON / LDJSON)?

Try Withdata DBToFile, Support Windows, Linux, and macOS, Export SQL Server data to JSON lines (JSONL / NDJSON / LDJSON), Easy and Fast.

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• Support Windows, Linux, and macOS.

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JSON Lines text format (JSONL), also called Newline-delimited JSON (NDJSON), or Line-delimited JSON (LDJSON). JSON Lines files may be saved with the file extension .jsonl, *.ndjson, *.ldjson.

Export data from SQL Server table to JSON lines (JSONL / NDJSON / LDJSON)

Login to SQL Server -> Choose SQL Server table -> Set JSON lines file options -> Export SQL Server to JSON lines (JSONL / NDJSON / LDJSON)

Choose SQL Server and logon.

“Export From Table” for “SQL Server to JSON lines (JSONL / NDJSON / LDJSON)”.

Select JSON file type.

1. Choose SQL Server table.

2. Set JSON lines (JSONL / NDJSON / LDJSON) file options.

3. Set rows options.

4. Export SQL Server data to JSON lines (JSONL / NDJSON / LDJSON) table.

After exporting, you can view output JSON lines (JSONL / NDJSON / LDJSON) file.

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More tools for JSONL / NDJSON / LDJSON.

SQL Server → JSON Lines reference

Type mapping

Value kind	in SQL Server	in JSON Lines
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"
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 on the same line

Dialect differences

SQL Server is a database server and JSON Lines 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 Lines
port	1433	—
identifiers	[square brackets]	Double quotes; backslash escapes (a newline inside a string...
row limit	SELECT TOP n	—
dates	datetime, datetime2, date, time	No date type: dates arrive as strings
long text	nvarchar(max)	—
binary	varbinary(max)	Not supported natively - base64 inside a string
separator	—	Newline between records
encoding	—	UTF-8 by definition
typing	—	Same as JSON, but records cannot nest across lines
shape	Tables of rows and columns	Flat stream
ceiling	—	Streams, so it scales past what a single JSON document can ...

Command line

Side	Command
SQL Server	bcp
SQL Server (load)	bcp, or BULK INSERT

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