Convert CSV to JSON array

Shiji Pan

1 year ago

Want to convert CSV to JSON array?

Try Withdata Data File Converter, a desktop CSV to JSON converter for Windows, MacOS, and Linux, Convert CSV to JSON array, 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 JSON file(s) to online services.

Click “Start a New Convert” at task dialog.

then show the wizard.

Select source/target file type.

The CSV file content:

See JSON array file

Convert CSV to JSON array in command line

You can schedule and automate this converting task by:

Withdata DataFileConverter is a data file format converter, it can convert CSV to JSON array. Download Withdata DataFileConverter

DataFileConverter works fast. It convert millions of rows within a minute.

Of course! DataFileConverter convert CSV to JSON array privately, absolutely safe.

Yes, you can. DataFileConverter has Linux, Mac OS, and Windows version.

Yes, you can. DataFileConverter can running in command line, on Linux, Mac OS, and Windows.

Value kind	in CSV	in JSON Array
Int	`1234`	`1234 (number)`
Decimal	`1234.56`	`1234.56 (number)`
Float	`1.234e+10`	`1.234e10 (number)`
Text	`quoted only when it contains a comma or a quote`	`"text" (string)`
Long text	`must be quoted; line breaks inside force multi-line records`	`"multi-line\ntext" (escaped newline inside a string)`
Date	`2026-09-18`	`"2026-09-18" (string)`
Datetime	`2026-09-18 14:30:00`	`"2026-09-18T14:30:00Z" (string)`
Binary	`not representable - base64 or hex string`	`"base64:..." (string)`
Boolean	`TRUE / FALSE, or 1 / 0 depending on the writer`	`true / false (boolean)`
JSON	`the whole JSON value quoted, with internal quotes doubled`	`nested object or array, kept as structure`

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

Property	in CSV	in JSON Array
identifiers	`Double quotes; a literal quote is doubled ("" )`	`Double quotes; backslash escapes`
dates	`Conventional text: 2026-09-18 or 2026-09-18 14:30:00`	`No date type: dates arrive as strings and the reader must p...`
binary	`Not supported`	`Not supported natively - base64 inside a string`
separator	`Comma ","`	`Braces and commas`
encoding	`No declaration - UTF-8 works only with a BOM`	`UTF-8 by definition`
typing	`None - every field is text`	`string, number, boolean, null, object, array - no date type`
shape	`Flat table, optional header row`	`Nested objects and arrays`
ceiling	`No formal limit; row count bounded by memory`	`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.