Batch convert SQL files to JSON files

Shiji Pan

1 year ago

Want to batch convert SQL files to JSON files?

Try Withdata Data File Converter, a desktop SQL to JSON converter for Windows, MacOS, and Linux, Batch convert SQL to JSON, Easy and Fast.

Can run in GUI mode, Step by Step, just a few mouse clicks.
Can run in Command line, for Scheduled Tasks and Streams.
Convert files locally and privately, avoid uploading large SQL file(s) to online services.
Support Windows, Linux, and macOS.

Click “Start a New Convert” at task dialog.

then show the wizard.

Select From “Files” “SQL” To “Files” “JSON”.

And config the first source SQL file.

List source SQL files.

After converting, you can view output JSON files.

SQL → JSON reference

Value kind	in SQL	in JSON
Int	`INT`	`1234 (number)`
Bigint	`BIGINT`	`9007199254740993`
Decimal	`DECIMAL(p,s)`	`1234.56 (number)`
Float	`DOUBLE PRECISION`	`1.234e10 (number)`
Text	`VARCHAR(n)`	`"text" (string)`
Long text	`TEXT / CLOB`	`"multi-line\ntext" (escaped newline inside a string)`
Date	`DATE`	`"2026-09-18" (string)`
Datetime	`TIMESTAMP`	`"2026-09-18T14:30:00Z" (string)`
Binary	`BLOB / BYTEA`	`"base64:..." (string)`
Boolean	`BOOLEAN / SMALLINT`	`true / false (boolean)`
JSON	`JSON / TEXT`	`nested object or array, kept as structure`

Both SQL and JSON are file formats, so what differs below is how each one chooses to represent a value.

Property	in SQL	in JSON
identifiers	`Two competing conventions: single-quoted literals and diale...`	`Double quotes; backslash escapes`
dates	`Depends on the dialect: DATE literals, TO_DATE(), or plain ...`	`No date type: dates arrive as strings and the reader must p...`
binary	`Dialect-specific: X-quoted literal, 0x hex, or decode()`	`Not supported natively - base64 inside a string`
separator	`Statement terminators (;)`	`Braces and commas`
encoding	`No declaration`	`UTF-8 by definition`
typing	`Types belong to the target database, and they differ betwee...`	`string, number, boolean, null, object, array - no date type`
shape	`Statements; a dump usually means CREATE TABLE plus INSERT rows`	`Nested objects and arrays`
ceiling	`No formal limit, but a single INSERT statement has to fit i...`	`Whole document is usually parsed into memory`

For batch jobs, large files and scheduling use the Data File Converter converter — an offline desktop app for Windows, Linux and macOS. Free trial.