Do I need to install anything to use Byte Counter?

No installation needed. Byte Counter works directly in any modern web browser — Chrome, Firefox, Safari, or Edge.

Can I use this on mobile devices?

Yes, this tool works on any device with a modern browser including phones and tablets.

Paste text and see its byte size in UTF-8, UTF-16, and ASCII. Great for checking database column limits.

Input Text

Enter text and click Count Bytes.

JavaScript Required

Absolutool tools run entirely in your browser and require JavaScript to work. Please enable JavaScript in your browser settings.