Vocab Booster

Highlight words to see definitions and synonyms, simplify text, and quiz yourself on new vocabulary.

As of June 2026, Vocab Booster has 4 users in the Education category.

Education

Chrome Web Store ↗.crx

Users0%

Rating0%

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— reviews

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Version

2.0

Manifest V3

History

2 snapshots

Tracking since May 18, 2026.

View as table

Date	Users	Rating	Reviews	Version
May 18, 2026	4	—	—	2.0
Jun 1, 2026	3	—	—	2.0
Now	4	—	—	2.0

Permissions & access

Permissions: activeTabscriptingstorage
Host access: <all_urls>

Screenshots

About

Vocab Booster
Vocab Booster is a lightweight Chrome extension designed to effortlessly expand your vocabulary while you browse the web. It seamlessly integrates into your reading flow, letting you instantly access definitions and synonyms with a simple highlight.

Highlight & Learn
Select any word on a webpage and Vocab Booster will provide a concise definition and list of synonyms. No need to leave the page or search elsewhere—your learning is right at your fingertips.

Customizable Experience
Adjust the highlight color to suit your style and toggle between light and dark themes for comfortable reading in any environment.

Reinforce Learning with Quizzes
Every word you highlight is automatically saved and later used in interactive quizzes to reinforce your understanding and retention.

Subtle and Distraction-Free
Vocab Booster is designed to keep you focused, with subtle popups and clean UI that provide information without interrupting your workflow.

Key Features:
Instant definitions and synonyms on highlight
Custom highlight color and light/dark mode
Vocabulary quizzes based on your highlighted words
Minimalist design for an uninterrupted learning experience