Want to import data from CSV file to Redshift?
Try Withdata FileToDB, a desktop CSV to Redshift converter for Windows, MacOS, and Linux, Convert CSV to Redshift, 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 CSV file(s) to online services.
- Support Windows, Linux, and macOS.
Import data from CSV file to Redshift
Login to Redshift -> Choose CSV file -> Set Redshift table -> Import CSV to Redshift
Choose Redshift and logon.
Click “Wizard – 1 File To 1 Table” at task dialog.
Select the “CSV” file type.
then show the wizard.
1. Open a CSV file.
Support large ( > 4GB ) CSV file.
Here is the file’s content.
2. Select a Redshift table and config fields.
3. Preview data will be in Redshift table.
4. Import CSV data to Redshift.
View imported data in Redshift table
Import CSV to Redshift in command line
Save “CSV to Redshift” session, then you can:
- Import CSV to Redshift in Windows command line.
- Import CSV to Redshift in Linux command line.
- Import CSV to Redshift in macOS command line.
Set scheduled tasks for importing CSV to Redshift
You can schedule and automate this “CSV to Redshift” conversion task by:
- Save session and create .bat (Windows) or .sh (Linux/macOS) file for “CSV to Redshift” conversion.
- Set scheduled task for “CSV to Redshift” conversion.
FAQ
What is Withdata FileToDB?
How long does it take to import CSV data to Redshift?
Is it safe to import CSV data to Redshift using FileToDB?
Can I import CSV data to Redshift on Linux, Mac OS?
Can I import CSV data to Redshift in command line?
More about Withdata FileToDB – CSV to Redshift converter
Download Withdata FileToDB
See also:
CSV → Redshift reference
Type mapping
| Value kind | in CSV | in Redshift |
|---|---|---|
| Int | 1234 | integer |
| Bigint | 9007199254740993 | bigint |
| Decimal | 1234.56 | numeric(p,s) |
| Float | 1.234e+10 | double precision |
| Text | quoted only when it contains a comma or a quote | varchar(n) |
| Long text | must be quoted; line breaks inside force multi-line records | varchar(max) |
| Date | 2026-09-18 | date |
| Datetime | 2026-09-18 14:30:00 | timestamp |
| Binary | not representable - base64 or hex string | (none) |
| Boolean | TRUE / FALSE, or 1 / 0 depending on the writer | boolean |
| JSON | the whole JSON value quoted, with internal quotes doubled | super |
Dialect differences
CSV is a file format and Redshift 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.
| Property | in CSV | in Redshift |
|---|---|---|
| port | — | 5439 |
| identifiers | Double quotes; a literal quote is doubled ("" ) | "double quotes" |
| row limit | — | LIMIT n |
| dates | Conventional text: 2026-09-18 or 2026-09-18 14:30:00 | timestamp, date |
| long text | — | VARCHAR(MAX) |
| binary | Not supported | — |
| separator | Comma "," | — |
| encoding | No declaration - UTF-8 works only with a BOM | — |
| typing | None - every field is text | — |
| shape | Flat table, optional header row | Tables of rows and columns |
| ceiling | No formal limit; row count bounded by memory | — |
Command line
| Side | Command |
|---|---|
| Redshift | UNLOAD to S3 |
| Redshift (load) | COPY from S3 |
No counterpart
- CSV values of kind Binary have nowhere to go in Redshift.
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.
