statistics

Measure strict-ASCII text length, where character count, byte count, and code unit count always match.

Get structural statistics for a JSON document: depth, key counts, type breakdown, and size.

Count how many line breaks appear in text.

Count how many lines a block of text has.

Count a string's characters, UTF-8 bytes, words, and lines.

Estimate a readability score and grade level from sentence and word length.

Compute the arithmetic mean of a list of integers.