Bulk import JSON files to MySQL tables

by

Want to bulk import JSON files into MySQL tables at one time?

Try Withdata FileToDB, a desktop JSON to MySQL converter for Windows, MacOS, and Linux, Batch import JSON to MySQL, 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 locally and privately, avoid uploading large or private JSON file(s) to online services.
  • Support Windows, Linux, and macOS.

Download Withdata FileToDB Download FileToDB

Bulk import JSON files into MySQL tables

Login to MySQL -> Choose JSON files -> Set MySQL tables -> Import JSON files to MySQL tables

Choose MySQL and logon.

bulk import JSON files into MySQL tables - Choose MySQL and logon

Click “Wizard – N Files To N Tables” at task dialog.

bulk import JSON files into MySQL tables - task window

Select the “JSON” file type.

bulk load JSON files into MySQL tables - select file type

then show the wizard.

1. Select a folder that constains JSON files.

bulk import JSON files into MySQL tables - select a folder

2. Config first JSON file importing options.

bulk import JSON files into MySQL tables - config first file

3. Set “Import Type”.

bulk import JSON files into MySQL tables - set tables

4. Map MySQL tables to JSON files.

bulk import JSON files into MySQL tables - map

5. Summary. Set “Convert Rows” and “Skip Rows” if need.

bulk import JSON files into MySQL tables - preview

6. Import JSON files to MySQL tables, 1 file to 1 table, one by one.

bulk import JSON files into MySQL tables - import data

View imported data in MySQL table

bulk import JSON files into MySQL tables - view data

Bulk import JSON files into MySQL tables in command line

Save “bulk JSON files to MySQL tables” session, then you can:

Set scheduled tasks for bulk importing JSON files into MySQL tables

You can schedule and automate this converting task by:

  1. Save session and create .bat (Windows) or .sh (Linux/macOS) file for “JSON to MySQL” conversion.
  2. Set scheduled task for “JSON to MySQL” conversion.

FAQ


More about Withdata FileToDB – JSON to MySQL converter

See also:

JSON → MySQL reference

Type mapping

Value kindin JSONin MySQL
Int1234 (number)INT
Bigint9007199254740993BIGINT
Decimal1234.56 (number)DECIMAL(p,s)
Float1.234e10 (number)DOUBLE
Text"text" (string)VARCHAR(n)
Long text"multi-line\ntext" (escaped newline inside a string)LONGTEXT
Date"2026-09-18" (string)DATE
Datetime"2026-09-18T14:30:00Z" (string)DATETIME
Binary"base64:..." (string)LONGBLOB
Booleantrue / false (boolean)TINYINT(1)
JSONnested object or array, kept as structureJSON

Dialect differences

JSON is a file format and MySQL is a database server, so the target has to be told the types the file never carried - the rows below are where the two sides diverge.

Propertyin JSONin MySQL
port—3306
identifiersDouble quotes; backslash escapes`backtick`
row limit—LIMIT n
datesNo date type: dates arrive as strings and the reader must p...DATETIME, TIMESTAMP, DATE, TIME
long text—TINYTEXT / TEXT / MEDIUMTEXT / LONGTEXT
binaryNot supported natively - base64 inside a stringBLOB / TINYBLOB / LONGBLOB
separatorBraces and commas—
encodingUTF-8 by definition—
typingstring, number, boolean, null, object, array - no date type—
shapeNested objects and arraysTables of rows and columns
ceilingWhole document is usually parsed into memory—

Command line

SideCommand
MySQLmysqldump, or mysql -e "SELECT ..." > out.csv
MySQL (load)mysqlimport, or LOAD DATA INFILE

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.