# Leo Translate

> Translate words from English to Russian on Internet pages using LinguaLeo API and add words to the LinguaLeo Dictionary.

Canonical page: [https://chrome-stats.com/d/leo-translate](https://chrome-stats.com/d/leo-translate)

## Overview

- **ID:** `leo-translate`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Mikhail Donskoy
- **Category:** appearance,language-support
- **Daily users:** 832
- **Weekly downloads:** 6
- **Rating:** 4.65 / 5 (193 ratings)
- **Version:** 1.18.0
- **Last updated:** 2023-03-12
- **First published:** 2017-09-10
- **Size:** 148 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/leo-translate/)
- **Website:** [https://vk.com/leo\_translate](https://vk.com/leo_translate)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/leo-translate/privacy/](https://addons.mozilla.org/firefox/addon/leo-translate/privacy/)

## Description

**Leo Translate** is a browser extension for Firefox, Firefox for Android, and Chrome that enables seamless translation of words from English to Russian directly on Internet pages. Powered by the LinguaLeo API, it not only translates words instantly but also adds them to the LinguaLeo Dictionary, enhancing your language learning experience.

Users can access support and updates through its official VK page, and developers can contribute or report issues on its GitHub repository. This extension is perfect for anyone looking to improve their English-Russian language skills while browsing the web effortlessly.

## Rankings

- #3,660 — Overall
- #148 — Language Support
- #22 — translate
- #88 — google translate
- #102 — contribute
- #103 — translations

## Permissions and access

### Permissions

- `contextMenus`
- `activeTab`
- `notifications`
- `storage`
- `cookies`
- `*://api.lingualeo.com/*`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Users consistently praise Leo Translate for speed, pronunciation, and multiple translation options, making it very useful for reading English sites. Recurrent problems reported by several users are instability (stops translating or shows errors) and failure to save or add words to the dictionary, reducing reliability despite strong core functionality.

### Pros

- Fast, near-instant translations with low latency
- Shows pronunciation and multiple translation variants
- Very convenient and easy to use when reading English websites

### Cons

- Fails to save/add translated words to the dictionary or maintain a word list
- Unreliable behavior: stops translating, shows the word without a translation, or returns errors (stability/compatibility issues)

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Source: [Chrome-Stats](https://chrome-stats.com/d/leo-translate)