Import multiple JSON files to a single SQLite table

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Want to import multiple JSON files into a single SQLite table?

Try Withdata FileToDB, a desktop JSON to SQLite converter for Windows, MacOS, and Linux, Import JSON to SQLite, 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.

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Import multiple JSON files into a single SQLite table

Login to SQLite -> Choose JSON files -> Set SQLite table -> Import JSON files to SQLite table

Choose SQLite and logon.

import multiple JSON files to 1 SQLite table - Choose SQLite and logon

Click “Wizard – N Files To 1 Table” at task dialog.

import multiple JSON files to 1 SQLite table - task window

Select the “JSON” file type.

load multiple JSON files to 1 SQLite table - select file type

then show the wizard.

1. Select a folder that constains JSON files.

Support large ( > 4GB ) JSON file.

insert multiple JSON files to one SQLite table - select a folder

2. Config first JSON file importing options.

import multiple JSON files to one SQLite table - config first file

3. Select a SQLite table and config fields.

Merge JSON files into a SQLite table - select table

4. Preview data will be in SQLite table.

put JSON files into a single SQLite table - preview

5. Import multiple JSON files to the SQLite table.

Merge JSON files into a SQLite table - import data

View imported data in SQLite table

load JSON files into a SQLite table - view data

Convert JSON files to SQLite in command line

Save “JSON to SQLite” session, then you can:

Set scheduled tasks for converting JSON files to SQLite

You can schedule and automate this “JSON to SQLite” conversion task by:

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

FAQ

More about Withdata FileToDB – JSON to SQLite converter

See also:

JSON → SQLite reference

Type mapping

Value kindin JSONin SQLite
Int1234 (number)INTEGER
Bigint9007199254740993INTEGER
Decimal1234.56 (number)NUMERIC
Float1.234e10 (number)REAL
Text"text" (string)TEXT
Long text"multi-line\ntext" (escaped newline inside a string)TEXT
Date"2026-09-18" (string)TEXT
Datetime"2026-09-18T14:30:00Z" (string)TEXT
Binary"base64:..." (string)BLOB
Booleantrue / false (boolean)INTEGER
JSONnested object or array, kept as structureTEXT

Dialect differences

JSON is a file format and SQLite 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 SQLite
port—(file-based)
identifiersDouble quotes; backslash escapes"double quotes" or [brackets]
row limit—LIMIT n
datesNo date type: dates arrive as strings and the reader must p...TEXT (no date type)
long text—TEXT
binaryNot supported natively - base64 inside a stringBLOB
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
SQLitesqlite3 .dump
SQLite (load).import (sqlite3)

Convert your data online, free

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