Jisū by ika.monster

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
* 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"