Byte Size Converter

Convert data sizes between decimal (KB, MB, GB, TB) and binary (KiB, MiB, GiB, TiB) units and see all equivalents at once. Runs in your browser.

Runs in your browser — your file never leaves your device

Frequently asked questions

Is Byte Size Converter free to use?

Yes — Byte Size 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. Byte Size Converter works on any modern browser — Windows, Mac, Linux, Android and iPhone.

How do I use Byte Size Converter?

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

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