SelectON — selection popup. Copy & Search
Workflow & Planning
Customizable popup with actions on text selection
Users
7K
Rating
4.8
Reviews
122
7D Growth
0|0%
Stable signalUnknownHigh-risk permissions
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.
Users50KCurrent public install base
Rating4.8Store average score
Reviews389Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
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7 assetsDefiner - Word Translator, Ask AI, Dictionary Extension Media preview
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Start
4.78
Latest
4.78
7-day rating change
0.00
2026年7月12日2026年7月18日
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+10K+25%Technical snapshot
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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
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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.
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It's amazing, I have one question, is there a way to view google images directly from the popup and not on a new tab?
Incredible! Free to use and a must have when you study from online sources!
Legit five star app. No crashes. Fast, accurate and easy to use. No problems whatsoever.
I've used this before and am here to reinstall this to my office system. this one is best as per me. I was using google dictionary for past 10 years, with no updates, pretty basic. but this one is far ahead, the way it provides versatile info before leaving the page on just one click, is amazing. good work
I really like this extension, should add Thesaurus.
This has been a wonderful extension, incredibly useful as it houses customisable features such as the appearance and the sources for display. Though recently I came over an issue in which the definitions just stopped showing up? The other websites such as translation, wikipedia, etc. worked but the actual definitions did not, so it led me to the assumption that something was wrong with it specifically. I hope it gets noticed soon because I've been unable to use it.
So helpful!! And amazing features too, I mostly use the 'auto-play' google pronunciation for my self studying in ភាសាខ្មែរ, French, and Russian, and shows a pop-up definition for words on double click, just like I set it to! I love that you can choose between like >10 different sources for your dictionary or audio TTS. I'm honestly surprised it works so seamlessly for my language, Khmer, at fetching the audio and definition in just a press?! Your project improves my quality of life in studying so much! Thank you a ton for what you do!! :> I'm using this a ton as an aide in following online novels, articles and also social media comments.
Incredibly well done and simple to use. Additionally being able to add synonyms is lovely
Best extension. Love the custom source integration. Thank you so much
Продвинутое расширение. Много перепробовал всего, остановился на этом. Искал современный QTranslate, который, к сожалению давно не поддерживается, но такого НЕТ.