Equalang

Browser extension

Firefox browser extension

Read both. Miss nothing.

Bring the same bilingual experience to Firefox for webpages, online video, and live streams.

Open the Firefox storeDownload the Firefox package
FirefoxOne clickThe same credits as the site
yuyan-guancha.cn/closing-the-language-gap

语言的墙，正在倒下

The Language Barrier Is Falling

十年前，读一篇外文文献要等别人来译；今天读者自己就能当场译完，读到的也不再是摘要，而是论证本身。

A decade ago, reading a foreign paper meant waiting for someone to translate it. Today the reader translates it themselves, in place, in seconds — and reads the argument, not a summary of it.

知识不再等待译者knowledge no longer waits for a translator
YouTube · bilingual subtitles on11:26 / 34:02
Translated where it standsSubtitles in bothOne button, on or off
Supported sites

Web pages, video and comics, all in your language

Web pages

Press the button at the edge and each translation appears under the text it belongs to, keeping pace as you read and keeping the page’s layout. It works on any site.

For example

  • Wikipedia
  • Reddit
  • X (Twitter)
  • GitHub
  • arXiv
  • Hacker News
See how it works

Video and live streams

Translates the subtitles of videos and live streams. Where there are none, turn on Live Listening.

  • YouTube
  • Netflix
  • TikTok
  • Bilibili
  • Twitch
  • Douyin
  • Crunchyroll
  • Xiaohongshu
  • Viki
  • iQIYI
  • SOOP
  • TwitCasting
See all 36 platforms

Comics

Translations are lettered right into the speech bubbles, keeping the original artwork. Vertical webtoons are translated as you scroll.

  • MANGA Plus
  • WEBTOON
  • Shonen Jump+
  • Naver Webtoon
  • Bilibili Comics
  • Comic DAYS
  • Lezhin Comics
  • Tapas
  • Kuaikan Manhua
  • KadoComi
  • Manga One
  • pixiv Comic
See 39 comic sites
Install from the Firefox store

One click, then translate

1

Install it, then pin it

Equalang
Pin it to the toolbar

After installing from the store, click the puzzle icon, then the gear beside Equalang, and choose Pin to Toolbar.

Open the Firefox store
2

Sign in

Equalang
Sign in or register
Credits200

Open the panel and sign in. It draws on the same balance as the website, so there is nothing separate to top up.

3

Open any page

Press the button at the edge and it begins; each translation appears under the text it belongs to. Press it again to bring the original back.

By hand

Store out of reach? Install it by hand.

This is the same Mozilla-signed version as in the store. It stays installed and updates on its own.

1

Download the signed package

equalang.xpi
Signed by Mozilla

In Firefox, click the button below to download the package Mozilla signed. No unzipping needed.

Download the Firefox package
2

Allow the install

Firefox blocked this site from installing an add-on
Continue to Installation

If Firefox says it blocked this site from installing, click Continue to Installation. Downloaded in another browser? Open and choose Install Add-on From File in the gear menu.

3

Add it to Firefox

Add Equalang?
CancelAdd

Click Add in the confirmation.

4

Start translating

Equalang
Pin it to the toolbar

It stays after Firefox restarts and updates with the store. Refresh open webpages after installing.

Start translating in Firefox

The same webpage, video, and selection translation experience; sign up to receive 200 credits.

Open the Firefox storeSee what credits cost