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%
Cooling 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.
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
Preview
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14日2026年7月20日
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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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needs voice type
Хотелось бы улучшить PDF Reader, очень неудобно искать слова.
Отличное приложение, всё как надо и даже лучше. Из пожеланий... Очень смешно, если озвучивать им фрагменты английского текста, а не отдельные слова. Он по умолчанию кидает сразу на гугл-переводчик, а по умолчанию, у меня, разумеется, стоит перевод на русский. Поэтому, если просишь его прочитать фрагмент английского текста, то он читает его в русском произношении, то есть слушаешь а-ля Мутко ))))
Great extension. Want more built-in/custom sources or ai features
Вот это я понимаю расширение. Добавить бы больше настроек разных сайтов, ибо допустим яндекс переводчик переводит лучше на русский. Засунул вот такую строку туда https://translate.yandex.ru/?source_lang={lang}&target_lang=ru&text={str} Также чтобы зазумить ваш iframe (ибо он ну очень крупный, в маленькое окно не влезает) юзайте селектор body с параметром https://caniuse.com/?search=zoom (так как стиль отдельно засовывается в head) body { zoom: 0.75; } Единственный минус в том, что сайт грузится постоянно
Slow work. Often it needs a few seconds to translate. This is the only drawback.
Love the extension. Would like to add more than one custom source option :)
In this site they tell you they won't collect your data, but that isn't what their privacy policy said, as they do collect a lot of personal and usage data. This should be updated.
Great tool ! custom config is very useful, thansk.
Literally saved my day, Thank you.