Simple Text Counter от Javier G

Text Counter is a lightweight Firefox extension that helps you quickly count words and characters in any selected text. Simply select text on any webpage, and a clean tooltip will appear near your cursor showing the word count and character count. Perfect for writers, students, translators, and anyone who needs to track text length while browsing. The extension works on all websites and requires no configuration – just select and see the count instantly. No data collection, completely private, and works offline.