SQLite import multiple TSV files into a single table

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

Try Withdata FileToDB, a desktop TSV to SQLite converter for Windows, MacOS, and Linux, Convert TSV 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 TSV files to online services.
  • Support Windows, Linux, and macOS.

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Import multiple TSV files into a single SQLite table

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

Choose SQLite and logon.

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

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

import multiple TSV files to 1 SQLite table - task window

Select the “TSV” file type.

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

then show the wizard.

1. Select a folder that constains TSV files.

Support large ( > 4GB ) TSV files.

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

2. Config first TSV file importing options.

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

3. Select a SQLite table and config fields.

Merge TSV files into a SQLite table - select table

4. Preview data will be in SQLite table.

put TSV files into a single SQLite table - preview

5. Import multiple TSV files to the SQLite table.

Merge TSV files into a SQLite table - import data

View imported data in SQLite table

load TSV files into a SQLite table - view data

Import multiple TSV files to SQLite in command line

Save “multiple TSV files to SQLite” session, then you can:

Set scheduled tasks for importing multiple TSV files to SQLite

You can schedule and automate this converting task by:

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

FAQ

More about Withdata FileToDB – TSV to SQLite converter

See also:

TSV → SQLite reference

Type mapping

Value kindin TSVin SQLite
Int1234INTEGER
Bigint9007199254740993INTEGER
Decimal1234.56NUMERIC
Float1.234e+10REAL
Textunquoted; a tab in the value splits the columnTEXT
Long textunquoted; newlines break the rowTEXT
Date2026-09-18TEXT
Datetime2026-09-18 14:30:00TEXT
Binarynot representableBLOB
BooleanTRUE / FALSEINTEGER
JSONthe whole JSON value as-is (its own quotes stay)TEXT

Dialect differences

TSV 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 TSVin SQLite
port—(file-based)
identifiersRarely used, which is exactly why tabs in data break it"double quotes" or [brackets]
row limit—LIMIT n
datesConventional text: 2026-09-18 or 2026-09-18 14:30:00TEXT (no date type)
long text—TEXT
binaryNot supported - must be encodedBLOB
separatorTab—
encodingNo declaration - UTF-8 works only with a BOM—
typingNone - every field is text—
shapeFlat table, optional header rowTables of rows and columns
ceilingNo formal limit—

Command line

SideCommand
SQLitesqlite3 .dump
SQLite (load).import (sqlite3)

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.

New to the format? Read what a TSV file is (and how it differs from CSV).