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Definer - Word Translator, Ask AI, Dictionary Extension icon

Definer - Word Translator, Ask AI, Dictionary Extension

Select text to translate, define, or ask AI. A word translator and dictionary extension for webpages, PDFs, and EPUBs.

Users40KCurrent public install base
Rating4.8Store average score
Reviews389Public review volume
Manifest versionV3Extension platform version
7-day growth-10KNet users gained this week
7-day growth rate-20%Relative weekly velocity
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Definer - Word Translator, Ask AI, Dictionary Extension Media preview

7 assets
Trend

User growth trend

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User Growth Over Time

39K42K45K48K51K2026年7月14日2026年7月18日2026年7月20日Latest: 40K
Rating trend

7-day rating trend

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7-day rating change

Start
4.78
Latest
4.78
7-day rating change
0.00
4.684.734.784.834.882026年7月14日2026年7月18日2026年7月20日Latest: 4.78
2026年7月14日2026年7月20日
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1-day growthNo data
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7-day growthDeclining
-10K-20%
30-day growthFlat
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Technical snapshot

Version, languages, and crawl freshness

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Version1.16.2
ManifestV3
Size7.12MiB
Languages55Deutsch / English / English (Australia) +52
Published
Store updated
Last crawled
DeutschEnglishEnglish (Australia)English (United Kingdom)English (United States)FilipinoIndonesiaKiswahiliMelayuNederlandsTiếng ViệtTürkçe
Overview

Product summary

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Stop interrupting your reading flow to switch tabs just to define a word or translate a phrase. Definer is a powerful word finder and browser extension that brings the dictionary directly to you. Whether you are reading a complex article, studying a foreign language, or just need a quick synonym, this tool acts as your personal reading assistant.

Simply select any text on a webpage to instantly trigger the popup bubble. Unlike a basic Google Dictionary extension, Definer integrates multiple data sources, allowing you to use it as a paraphrase tool, an encyclopedia searcher, or a translation hub. It streamlines how you consume content online, making it the perfect solution for anyone wondering how to search for a phrase on a website without losing their place.

🚀 Key Features

✅ Instant definitions with zero clicks—just select the text to see meanings

✅ Built-in AI paraphraser to help rewrite sentences and understand context

✅ Support for EPUB files to help you read ebooks in the browser

Reviews

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Store average score4.8Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.7Average computed only from synced review bodies below
Reviews with text299Synced review bodies
Total ratings / reviews389Chrome Web Store public rating/review count

Store average score: 4.8. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★
253
4★
29
3★
7
2★
3
1★
7
Kent “Ani” Hinaloc2022年6月28日
5

Extremely underrated.

Language en
1 helpful · 0 not helpful
e n2022年6月26日
5

This extension is awesome! I can change the size and theme and select my own custom source which is super useful for reading webpages in a foreign language as a learner, especially since I can use any dictionary I want. Only improvement I can think of is that I would love to be able to add multiple custom sources and any as the default, and be able to switch sources from the bubble. Αυτή η επέκταση είναι εξαιρετική! Μπωρώ να αλλάξω το μέγεθος και την εμφάνιση και να επιλέξω την δική μου πηγή, τη οποία είναι πολύ χρήσιμη για να διαβάσω ιστοσελίδες σε ξένες γλώσσες ως μαθητής, ιδιαίτερα γιατί μπωρώ να χρησιμοποιήσω οποιοδήποτε λεξικό που θέλω. Μια βελτίωση που μπωρώ να σκεφτώ είναι ότι θα ήθελα να προσθέσω πολλαπλές πηγές και διαλέξω οποιεςδήποτε ως προεπιλογή, και να μπωρώ να αλλάξω πηγές από το popup. Σε ευχαριστώ πάρα πολύ που γράψατε αυτή!

Language el
1 helpful · 0 not helpful
June Smiht2022年6月19日
5

Been using it for over a year. It does exactly what i need.

Language en
word hippo2022年6月13日
5

I've always been struggling to find a working, comprehensive and convenient dictionary for browser. it finally happened! thank you so much for spending time on that extension :)

Language en
1 helpful · 0 not helpful
Hakan Durmaz2022年4月26日
5

This is really well written and works flawlessly, only thing i would want is a translate option in the dictionary menu. So basically above the meaning of a word, there could be a translation to a desired language. Then this extension would be wonderful.

Language en
2 helpful · 0 not helpful
tiantian lin2022年4月24日
4

The langman dictionary is recommended to add for english learner

Language en
Yu. Dou2022年4月7日
5

if it can allow me to add resource feely,i am willing to pay for this extension

Language en
Phyl2022年3月14日
5

As a content source why not add common known dictionaries ? For english for example Merriam-Webster, french Larousse, etc etc And it would be very fun to add Urban dictionary :)

Language en
Timur Kostoev2022年2月12日
5

Одно из тех приложений, после которых не понимаешь, как без него обходиться теперь)

Language ru
1 helpful · 0 not helpful
Tim Gait2022年1月24日
4

Such a good time saver. I'm sure Chrome will add it as a feature in the future. Request: Google Image Search

Language en
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