Time Zone Converter

Convert a date and time between world time zones — DST handled automatically via the browser's own zone database. Runs in your browser.

Runs in your browser — your file never leaves your device

Frequently asked questions

Is Time Zone Converter free to use?

Yes — Time Zone Converter is completely free with no limits, no watermarks and no sign-up. It runs in your browser, so there is nothing to pay for.

Are my files uploaded or stored anywhere?

No. This tool does all its work locally in your browser using your own device's power. Your files never leave your device and we never see them.

Do I need to install anything or create an account?

No installation and no account needed. Time Zone Converter works on any modern browser — Windows, Mac, Linux, Android and iPhone.

How do I use Time Zone Converter?

Open the tool, add your file (or paste your content), adjust any options, then press “Convert time”. Your result is ready to download in seconds.

1,250,034 → words, incl. lakh & crore.

Swap rows and columns in a CSV.

Keep only the columns you need.

Drop duplicate rows — whole row or by column.

Strip EXIF, GPS and other hidden data.

Discounted cash-flow value.