Free Chrome Extension — No Account Needed

Learn a language
while you browse

DualLang quietly displays translations beneath the text on pages you visit. No flashcards, no schedule — just passive immersion built into your everyday browsing.

Add to Chrome — It's Free See how it works

30 languages Works on most websites Zero setup

See It in Action

Translations appear right where you read

DualLang adds translated text beneath content as you browse — no popups, no interruptions.

Try it in:

cooking-blog.com/pasta-recipes

The Perfect Homemade Pasta

Fresh pasta is one of life's great pleasures. With just a few simple ingredients, you can create something truly special in your own kitchen.

Start with a mound of flour on your counter. Make a well in the center and crack in the eggs.

Features

Everything you need, nothing you don't

Passive Immersion

Translations appear beneath text on most pages you visit. You absorb vocabulary naturally without breaking your flow.

Live Search Mirroring

Type a search on Google or Yahoo and see it translated in real time. A simple way to learn how everyday phrases look in another language.

30 Languages

From Spanish and French to Japanese and Arabic. Pick your target language and start browsing — DualLang handles the rest.

Privacy First

No accounts, no tracking, no data collection. Your preferences stay in your browser. Text is translated via third-party APIs directly from your device.

Customizable

Toggle translations on or off with one click. Adjust settings through the popup or options page to match how you like to learn.

Lightweight & Fast

DualLang runs quietly in the background with minimal impact on page load times. No heavy frameworks, no bloat — just clean translations.

How It Works

Three steps. That's it.

No accounts, no configuration, no learning curve.

Install the extension

Add DualLang to Chrome from the Web Store. Takes about five seconds.

Pick your language

Open the popup and choose from 30 supported languages. That's your only setup step.

Browse normally

Translations start appearing beneath text on the pages you visit. Just read and absorb.

Supported Languages

30 languages and counting

Pick the language you're learning and DualLang does the rest.

Spanish French German Italian Portuguese Japanese Korean Chinese Arabic Russian Hindi Dutch Swedish Polish Turkish Vietnamese Thai Indonesian Greek Czech Romanian Hungarian Finnish Danish Norwegian Hebrew Ukrainian Malay Filipino Bengali

Study Mode

Save words as you browse.
Review them later.

DualLang turns passive browsing into an active vocabulary bank. Click any translated word to save it, then open the extension, tap "Vocabulary," and hit "Study" to review everything you've collected as flashcards — right inside the extension.

Tap to save

Click any translated word while browsing. It's added to your personal word list instantly.

Review with flashcards

Open the DualLang popup, tap "Vocabulary," then tap "Study" to flip through your saved words as flashcards.

Track your progress

Your saved word list grows as you browse. Return to Study anytime to keep reinforcing what you've learned.

Saved from your browsing

Translate from English

encimera

countertop

12 / 31 words

40%

FAQ

Common questions

DualLang works on the vast majority of standard websites. A small number of sites that use heavy JavaScript frameworks or non-standard content rendering may not be fully supported. You can always toggle the extension off on specific sites.

Yes, completely. DualLang is free with no paywalls, subscriptions, or hidden tiers. All features — including Study Mode and flashcards — are included at no cost.

While browsing, click any translated word to save it to your personal vocabulary list. When you're ready to review, open the DualLang extension, tap "Vocabulary," then tap "Study." You'll be shown each saved word as a flashcard to flip through at your own pace. All words are stored locally in your browser.

DualLang is built to be lightweight. Translation requests are made asynchronously so they don't block page rendering. Most users report no noticeable difference in browsing speed.

DualLang supports 30 languages including Spanish, French, German, Italian, Portuguese, Japanese, Korean, Chinese, Arabic, Russian, Hindi, and many more. See the full list on this page.

No. DualLang does not collect, store, or transmit any personal data. Your language preferences and saved vocabulary are stored locally in your browser only. Text is sent to third-party translation APIs (Google Translate / MyMemory) directly from your device — we have no intermediary servers.

Yes. You can toggle DualLang on or off with one click from the extension popup. You can also disable it globally whenever you want a break.

Learn a languagewhile you browse