A better way to read

Look up words
without leaving the page.

WordPopup is a free dictionary extension for Chrome. Select any word on a webpage or inside a PDF to instantly see its meaning, pronunciation, synonyms, and examples. You can also enable Hindi translations for English definitions.

Add to Chrome

Your PDF stays in your browser.

example.com/article
AN ARTICLE

Why curiosity makes reading more
interesting

Good writing often introduces ideas that are unfamiliar at first. Instead of skipping the word or opening another tab, you can quickly understand it and find it.

WORDPOPUP DICTIONARY
unfamiliaradjective
DEFINITION

Not known or recognized before; new or strange.

Select a word → WordPopup appears → keep reading

More than just a definition.

Everything a dictionary Chrome extension should do — definitions, pronunciation, and PDF support — without turning your reading session into a research session.

Instant lookup

Select any word on a webpage and see its meaning without opening another tab.

Pronunciation

See the phonetic spelling and listen to how a word is pronounced when audio is available.

Save words

Keep unfamiliar or useful words in your vocabulary so you can review them later.

Stay on the page

Look something up without losing your place or breaking your reading flow.

Six PDF dictionary languages

Choose English, German, Spanish, Chinese, Japanese, or French in the PDF reader.

Hindi meanings

Optionally show a Hindi translation beneath English definitions in the extension and PDF reader.

Simple by design

One interaction: select a word, understand it, and keep reading.

Works with PDFs

Upload a PDF on WordPopup and look up unfamiliar words while reading.

Word history

Keep track of words you've looked up recently, stored locally in your browser.

Download vocabulary

Export your saved words as a simple TXT file for later revision.

A dictionary extension
for Chrome.

Select a word on any webpage and understand it without opening another tab. WordPopup stays where you are so your reading flow doesn't have to stop.

Explore the Chrome extension
DICTIONARY POPUP
unfamiliar
adjective

Not known or recognized before; new or strange.

pronunciation•synonyms•examples
PDF READER1 / 12
Reading shouldn't stopbecause of one word.

Look up words in a PDF,
without leaving it.

Upload a PDF and look up unfamiliar words while you read. Your document stays in your browser.

Six languages in the PDF reader,
with optional Hindi meanings.

Choose English, German, Spanish, Chinese, Japanese, or French dictionary entries. Hindi translations are available for English definitions.

Dictionary language
EnglishDeutschSpanishChineseJapaneseFrench

Looking up one word shouldn't take you somewhere else.

Traditional dictionary lookups can mean copying a word, opening another tab, searching for it, and then finding your way back to what you were reading.

No new tab for every unfamiliar word
No copying and pasting
No losing your place
Save useful words for later

Frequently asked questions.

What is WordPopup?+

WordPopup is a free Chrome dictionary extension. Select a word on a webpage and a small popup shows its meaning, pronunciation, synonyms and examples. You can also turn on Hindi translations for English definitions.

How do I look up a word?+

Install the extension, then select a single word on a webpage. The dictionary popup opens next to it. Press Esc to close it or Alt+W to reopen it.

Does WordPopup work on PDFs?+

Yes. Upload a PDF on wordpopup.com and look up words while reading it. You can optionally show Hindi translations beneath English definitions. Your PDF stays in your browser and is not uploaded to a server.

Which languages does WordPopup support?+

The PDF reader supports English, German, Spanish, Chinese, Japanese, and French dictionary lookups. The Chrome extension supports English and German. Hindi translations are available for English definitions.

Can I save words and download them?+

Yes. Save words while you read, see saved words highlighted on the page, and download your vocabulary as a TXT file.

Is WordPopup free?+

Yes, WordPopup is free to use.

Where is my data stored?+

Your saved words, lookup history and settings are stored locally in your browser. Only the selected word and chosen dictionary language are sent to WordPopup's dictionary service to fetch a definition.