Unicode Normalization Checker

Compare normalization status, code-point counts, UTF-8 sizes, and normalized previews without silently changing the input.

Text to check

—NFC/NFD are canonical forms; NFKC/NFKD additionally apply compatibility mappings and can change presentation distinctions.

How to use this Unicode Normalization Checker

Check whether text is already NFC, NFD, NFKC, or NFKD normalized. 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.