✦ Official Browser Extension

Bring Dictionary to your browser

Instant definitions, translations, and pronunciation at your fingertips. Highlight any word on the web and get AI-powered insights without leaving your current page.

dictionary.com/extension
serendipity
/ˌser.Ι™nˈdΙͺp.Ι™.ti/
noun
The occurrence and development of events by chance in a happy or beneficial way.
⚑ Instant Lookup
πŸ”’ Privacy-First

Install in 4 Simple Steps

Get up and running in under 30 seconds.

1

Choose Your Browser

Click the button for your current browser to open the official store page.

2

Add Extension

Click "Add to Browser" and confirm the permission prompt.

3

Pin to Toolbar

Click the puzzle piece icon in your toolbar and pin Dictionary for quick access.

4

Highlight & Explore

Select any word on any webpage to instantly see definitions and translations.

Extension Features

Everything you need to master language while browsing the web.

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Contextual Definitions

Highlight any word to get instant, context-aware definitions without opening a new tab.

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100+ Languages

Translate highlighted text instantly with accurate, context-aware multilingual support.

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Synced Word Lists

Save new words directly to your personal vocabulary lists and sync across all devices.

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Audio Pronunciation

Hear native pronunciations in multiple dialects directly from the popup or highlight menu.

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AI Context Engine

Our AI understands surrounding text to provide the most accurate definition for the context.

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Privacy-First Design

Your search history and saved words are encrypted and never sold to third parties.

Frequently Asked Questions

Everything you need to know about the Dictionary extension.

The extension updates automatically through your browser's extension store. You can also manually check for updates in your browser's extensions management page.

Currently, the extension is optimized for desktop browsers (Chrome, Firefox, Edge, Safari). For mobile devices, we recommend our dedicated iOS and Android apps for the best experience.

Absolutely. The extension only accesses selected text when you trigger a lookup. We do not track your browsing history, collect page content, or share your data with advertisers.

You can disable or remove the extension at any time through your browser's extensions settings menu. Your saved word lists will remain in your account if you choose to reinstall later.

Ready to upgrade your browsing experience?

Join millions of users who explore language effortlessly every day.

Install Dictionary Extension β†’