What formats are converted?

Date formats (MM/DD/YYYY to DD.MM.YYYY etc.), number formats (1,000.50 to 1.000,50), and currency symbols.

Which locales are supported?

US, UK, EU (German), French, Indian, Japanese, and more.

No. Everything runs locally in your browser.

Process files up to the browser memory limit.

Yes — choose exactly which columns to transform.

Convert dates, currencies, and number formats between regional standards. Processed entirely in your browser for 100% data pr

Your files never leave your device. Processed locally. 100% private.

Unlocking Tool Engine...

Complete your task perfectly in just three straightforward steps.

Drop your CSV file.

Choose the source locale (e.g. US) and target locale (e.g. EU).

Download the CSV with localized date, number, and currency formats.

Everything you need to know about the Data Localizer.

Continue working with our suite of free data utilities.

Mask or replace PII in CSV files. Replace names, emails, and phone numbers with anonymised values. The safest way to process

Extract data from CSV columns using regular expressions. Capture groups to new columns. Processed entirely in your browser fo

Remove duplicates, fix nulls, trim whitespace, and standardize formats in one pass. Fast, private, and secure browser-based t