# ReadLingo

> Learn languages ​​while you browse. Translate words, generate sentences with AI, organize decks of cards, and review with spaced repetition.

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

## Overview

- **ID:** `readlingo`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** KSTR
- **Category:** language-support,social-communication
- **Daily users:** 3
- **Weekly downloads:** 4
- **Version:** 1.0.4
- **Last updated:** 2026-04-30
- **First published:** 2026-04-27
- **Size:** 494 KB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/readlingo/)
- **Website:** [https://readlingo.app](https://readlingo.app/)

## Description

ReadLingo turns your everyday browsing into language practice. Select any word
   on a webpage, see its translation instantly, and save it as a flashcard to
  review later with spaced repetition.

HOW IT WORKS
  1. Select any word on a webpage and right-click → ReadLingo: Translate
  2. See the translation, IPA pronunciation, and example sentences
  3. Save the word as a flashcard with one click
  4. Review with spaced repetition to memorize long-term

FREE FEATURES
  • Instant word translation (100+ languages)
  • Save unlimited words as flashcards
  • Spaced repetition review system (SM-2 algorithm, like Anki)
  • IPA phonetic transcription
  • Text-to-speech pronunciation
  • Highlight saved words on webpages
  • Color-coded decks per language
  • Import and export CSV
  • Dark and light themes
  • Interface in 16 languages

PREMIUM FEATURES ($3/month)
  • AI-powered example sentences (contextual, natural usage)
  • Custom color-coded decks
  • Export to Anki format
  • Cloud sync across devices
  • Advanced SRS settings
  • Priority support

SUPPORTED LANGUAGES
  English, Spanish, French, German, Italian, Japanese, Korean, Chinese, Russian,
   Arabic, Hindi, Turkish, Polish, Dutch, Swedish, Portuguese, and 100+ more for
   translation.

INTERFACE LANGUAGES
  English, Português, Español, Français, Deutsch, Italiano, 日本語, 한국어,
  中文, Русский, العربية, हिन्दी, Türkçe, Polski, Nederlands, Svenska

PRIVACY
  ReadLingo does not collect your browsing history. Only the words you choose to
   save are stored. Your data stays in your browser (local storage) unless you
  enable cloud sync with a premium account.

Learn more: https://readlingo.app/privacy

SUPPORT
  Contact: contact@readlingo.app
  Website: https://readlingo.app

## Rankings

- #55,733 — Overall
- #250 — flashcards

## Permissions and access

### Permissions

- `storage`
- `contextMenus`
- `scripting`
- `alarms`
- `activeTab`

### Host permissions

- `https://api.readlingo.app/*`

### Content script matches

- `api.readlingo.app`

## Safety

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

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- 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).

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