Zero Width Character Detector

Find U+200B, ZWNJ, ZWJ, WORD JOINER, and U+FEFF positions without deleting ordinary visible text.

Text with possible zero-width characters input

0Detects a defined set of zero-width format characters; it does not label every glyph that happens to render blank.

Code-point index	UTF-16 offset	Code point	Type

How to use this Zero Width Character Detector

Detect zero-width Unicode characters hidden inside text. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.