Chrome Extension · Works everywhere

Hover any word.
Know it instantly.

HoverWord gives you instant definitions for any word on any webpage, just hover. For phrases and foreign text, double-click to translate. Read anything, understand everything.

✓ Hover any word for an instant definition
✓ Double-click any phrase to translate
✓ Works on every website, in every language

Add to Chrome, free → Get Pro, $1.99/mo

30 free lookups per day · No account required

en.wikipedia.org · article

HoverWord · Definition

The epistemological implications of large language models remain a subject of considerable debate.

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epistemological adj.

Relating to the theory of knowledge and its validity.

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Translate

Double-click to translate any phrase

100+ langs

What it does

Read more. Understand more.

01

Hover Definitions

Hold your cursor over any word for 500ms and a clean definition card appears with part of speech and example sentence. No clicking, no context switching.

02

Phrase Translation

Select any text and double-click to get a translation. Supports 100+ languages via your BYOK key (DeepL or OpenAI).

03

Word History

HoverWord remembers every word you have looked up so you can review them later. Build vocabulary passively while you browse.

04

Quiet by Default

The popup only appears when you pause on a word. No constant interruptions while reading normally. Toggle off per site in one click.

Pricing

$1.99/month. Cheaper than a dictionary app.

Free for 30 lookups per day. Upgrade for unlimited definitions, full translation, word history, and PDF support.

Dictionary apps and translation tools

$9.99/month

Up to $119.88/year across multiple apps

✕ Copy-pasting words to look them up
✕ Switching tabs constantly to translate
✕ Multiple subscriptions for the same problem
✕ Breaks reading flow every time

HoverWord

Hover any word. Know it instantly.

$1.99/month

Cancel anytime · no lock-in

✓ Unlimited daily word lookups
✓ Full translation support (100+ languages)
✓ Word history and vocabulary review
✓ Works on PDFs and e-readers in Chrome

Get Pro, $1.99/mo →

Free tier: 30 lookups per day, no card needed.

Questions

Good ones. Honest answers.

Does translation require an API key?+

Translation uses your own DeepL or OpenAI key (BYOK). Definitions work without any key at all.

Does it work on PDFs?+

Yes. HoverWord works on PDFs viewed in Chrome, including Google Drive PDFs and direct PDF links.

Can I disable it on certain sites?+

Yes. Click the extension icon to toggle HoverWord off for the current site. It remembers your preference per domain.

Every word. Instantly understood.

30 free lookups per day. No card, no setup required.

Add to Chrome, free →