# Lexios

> Learn vocabulary effortlessly while browsing the web. Better results than vocabulary tables. Translating words from context and using spaced repetition. Based on your level, from A1 to C1.

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

## Overview

- **ID:** `lexios`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Nicolas
- **Category:** language-support
- **Daily users:** 20
- **Rating:** 5.00 / 5 (3 ratings)
- **Version:** 1.2.1
- **Last updated:** 2021-06-15
- **First published:** 2021-04-08
- **Size:** 3.19 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/lexios/)
- **Website:** [https://lexios.io/?utm\_source=firefox&utm\_medium=firefox&utm\_campaign=firefox](https://lexios.io/?utm_source=firefox&utm_medium=firefox&utm_campaign=firefox)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/lexios/privacy/](https://addons.mozilla.org/firefox/addon/lexios/privacy/)

## Description

Lexios is a Firefox add-on that enables you to learn vocabulary effortlessly while browsing the web. It translates words from context and utilizes spaced repetition for better results.

## Rankings

- #24,404 — Overall

## Permissions and access

### Permissions

- `storage`
- `unlimitedStorage`
- `activeTab`
- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate 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 support email may not be valid

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

## Similar extensions and apps

- [Lexiora - AI dictionary & vocabulary builder](https://chrome-stats.com/d/lexiora) — 5 users
- [Lexigo - Instant Dictionary](https://chrome-stats.com/d/lexigo) — 24 users, 5.00 / 5
- [Lenguia - Language Learning](https://chrome-stats.com/d/lenguia-language-learning) — 12 users
- [Voca Web - Vocabulary Builder](https://chrome-stats.com/d/voca-web) — 1 users
- [LinguaLens](https://chrome-stats.com/d/lingualens-app) — 1 users
- [Vocabu Cards](https://chrome-stats.com/d/vocabu-cards) — 3 users
- [Lingualeo Language Translator](https://chrome-stats.com/d/lingualeo) — 805 users, 3.57 / 5
- [Vocabely: Smart Vocabulary Helper](https://chrome-stats.com/d/vocabely)
- [Synapse - Language Learning](https://chrome-stats.com/d/synapse-translate) — 1 users
- [LexiLearn](https://chrome-stats.com/d/lexilearn)
- [Language Learning](https://chrome-stats.com/d/language-learning) — 12 users
- [LexiSpark: Science-Backed Video Learning](https://chrome-stats.com/d/lexispark) — 1 users

---

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