AI Translator and Dictionary Online | Definer

Name: AI Translator and Dictionary Online | Definer
Rating: 4.6638 (116 reviews)
Author: Lumetrium

Use AI translator & dictionary online with AI search to spell check sentences & learn new words

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AI Translator and Dictionary Online by Definer is a versatile Chrome extension designed to enhance your language experience. Instantly translate text and websites in over 487 languages with real-time AI-powered translation. Access an integrated online dictionary featuring synonyms, antonyms, spell check, pronunciation with audio playback, and IPA transcription.

This extension supports popular translation engines like Google Translate, DeepL, and Bing, allowing users to compare results side-by-side. It seamlessly integrates into platforms like Gmail for smooth language translation and spelling assistance. Perfect for language learners, students, writers, travelers, and professionals, Definer acts as your personal AI-powered language tutor and study buddy right within your browser.

Add-on Education Productivity Communication AI

By:

Daily users:

Rating:

Version:

1.10.7 Last updated: 2025-07-13

Version code:

5988835

Creation date:

2021-06-14

Risk:

Permissions:

contextMenus
storage
unlimitedStorage
tabs
declarativeNetRequest
identity
scripting

Host permissions:

*://*/*

Size:

6.37MB

Email:

de*****@lumetrium.com

URLs:

Website ,Privacy policy

Full description:

Source:

Firefox Browser Add-ons

Data ingested on:

2025-07-14

Ranking

# 1,977 ▲ 20

Other rankings

#88 in Language Support

#226 in Social & Communication ▲ 4

#248 in Search Tools

#3 in define keyword 3

#8 in definition keyword 31

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Other platforms

AI Translator and Dictionary Online | Definer (v1.10.6)

20,000 4.79

(302)

User reviews

Users find AI Translator and Dictionary Online a reliable and powerful alternative to Google Dictionary with easy-to-use features and good performance. It is praised for working well overall and enhancing the browsing experience. However, recurring issues include increased CPU consumption, malfunctioning dictionary-related tabs after a recent update, and occasional UI glitches on specific sites like Instagram.

Pros

Provides effective translation and dictionary functions as promised.
Serves as a strong alternative to Google Dictionary, especially for Firefox users.
Easy to use and fast with powerful features.
Highly appreciated by users, some say it works like magic and is a must-have add-on.

Cons

High CPU usage even when idle, causing performance concerns.
Some features such as dictionary, DuckDuckGo, and Wikipedia tabs have stopped working after rebranding.
On certain websites (e.g., Instagram), the translation bubble does not disappear without reloading the page.

Recent reviews

by er*****, 2025-07-05

by Al*****, 2025-07-01

Отсутствие паузы при прослушивании -это полный пиздец.

by Fi*****, 2025-06-21

View all user reviews ›

Extension safety

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

AI Translator and Dictionary Online | Definer requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
Critical ****** ****** ** *** ********* ****** * *********** ******** **** ** ** *** ******* *** ****** **** **** *** ******* *****
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Browser Add-ons, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

AI Translator and Dictionary Online | Definer is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension was recently updated in the past month. New updates may not be stable or safe.
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Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
Good **** ********* *** **** **** *******

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