Jisū

Just select range of target text, right-click, and run "Count words" from context menu. This extension can count not only latin words, but also Chinese and Japanese characters. Feature 1. Report a lot of information about word count * Number of words  - Longest number of characters in words  - Average number of characters in words * Number of sentences  - Maximum number of words in a sentence  - Average number of words in a sentence * Number of characters  - Number of visible letters  - Number of spaces  - Number of line breaks * Readability * Time to read Feature 2. Report a lot of information about character count * Number of characters  - Number of readable letters   - Number and ratio of Chinese characters, hiragana, katakana, other letters, numbers, panctuations  - Number of spaces  - Number of line breaks * Number of sentences  - Maximum length of sentences  - Average length of sentences * Readability * Number of sheets of manuscript paper * Japanese difficult kanji Feature 3. Many flexible functions * Shortcut key support * "Auto-counting mode" for automatic display without clicking * Can display word count of text entered into a form * Speech-to-Speech function for word and character counts * Recognizes words in many languages * Can set characters to split words * Can set characters to separete sentences * Can set readability measurement method (for English)  - Flesch Reading Ease  - Flesch–Kincaid Grade level  - Gunning Fog Index  - Coleman–Liau Index  - Automated Readability Index  - SMOG  - Lensear Write  - FORCAST * Can set display color * Compliant to web extensions specification "Manifest V3"