devtools
Local developer utility

UTF-8 Byte Counter

Count UTF-8 bytes, Unicode code points, and UTF-16 code units. Your input stays in your browser while you work.

UTF-8 Byte Counter🔒 Processed locally

How to use UTF-8 Byte Counter

Complete the labeled fields above, choose an action, and inspect the result before copying or downloading it.

Processing runs locally in this browser. No input is uploaded or sent to a conversion service.

Inputs

  • Text