BitVocab Highlighter

About

BitVocab Highlighter marks unfamiliar English words on any web page, so you can read real content and focus only on the words worth learning.
How it works:

• Sign in with your BitVocab account (password or Google)

• It loads your personal "mastered words" list

• Click "Highlight" on any English page — words you don't know are highlighted, words you've already mastered are skipped

• Hover a highlighted word to mark it as mastered; it syncs back to your BitVocab account

• Scroll freely — newly shown text is highlighted as you go
Extra filters: highlight only IELTS / TOEFL / AWL vocabulary, filter by word frequency level, and exclude proper nouns (people, countries, places).
Your mastered-words list is shared across BitVocab on the web, mobile, and this extension. Tip: build your list quickly at bitvocab.com first, then maintain it as you read.
Your privacy matters: the text of the pages you read is processed locally in your browser and never sent to our servers.
Learn more at bitvocab.com