TheTextKit

Free online tools that run in your browser: word counter, JSON formatter, case converter, loan and percentage calculators and more. Nothing is uploaded.

Count words, format JSON, convert units, work out loans and percentages. Accurate metrics for words, characters, sentences, reading duration, and lexical density. Count the words in any text, including Chinese and Japanese, with characters and unique words. Count characters with and without spaces, plus code points, UTF-16 units and UTF-8 bytes. Estimate how long your text takes to read silently or aloud, using research-based average reading speeds.