Translation that stays on the page
MONTHLY FREE · 60 MIN + 100 PAGES + 50K CHARACTERSINVITE REWARD · BOTH +60 MIN + 100 PAGES + 50K CHARACTERS

Watch every video. Read every story and webpage.

RTTS adds live bilingual subtitles to online video and translates web text and manga in place.

  • Free every monthVerified accounts get 60 bilingual video minutes, 100 manga pages, and 50,000 web text characters each UTC month.
  • Invite a friend. Both earn.After their first eligible video or manga pack purchase, you each get 60 video minutes + 100 manga pages + 50,000 web characters.
  • Pay by usageNo recurring subscription
LIVE TRANSLATION
YouTube TED video before RTTS subtitles are enabled
BEFORE RTTS
The same YouTube TED frame with real RTTS English and Chinese subtitles
RTTS BILINGUAL
REAL BROWSER CAPTURE
WEB TEXT TRANSLATION

Translate web text on demand.

Select text, then click Translate, or read the original and translation together beneath visible paragraphs. Keep reading in the page’s own style, with support for your own text translation API.

  • 50,000 free source characters per verified account each UTC month
  • Cached translations use no characters; free characters are used first
  • Your own API uses no RTTS character balance
View character pack · $1.99 / 1M
Original NASA Science webpage before RTTS text translation
ORIGINAL PAGE
The same NASA Science webpage with original paragraphs and real RTTS translations
RTTS TRANSLATED
REAL BROWSER CAPTURE

NASA webpage capture · Independent RTTS demonstration. NASA Science source page

One extension, across the web

Built for major video platforms, web pages, and modern manga readers.

RTTS captures playable tab audio, translates web page text in place, and supports image, canvas, and long-scroll comic layouts.

▶YouTube▶Netflix▶Bilibili●Twitch▤WEBTOON▤Piccoma文Web pages+And more HTML5 sites
01 / VIDEO

Bilingual subtitles that follow the moment.

Use live audio when a video has no reusable captions, or translate an available subtitle track efficiently. Keep the original, the translation, or both.

  • Live streams and on-demand video
  • Automatic or selected source language
  • Export translated subtitles when available
Bilibili CCTV live stream before RTTS subtitles are enabled
BEFORE RTTS
The same Bilibili CCTV live frame with real RTTS Chinese and English subtitles
RTTS LIVE
REAL BILIBILI LIVE TEST
LIVE RESULT
Dual-track captions
02 / MANGA

Translation placed back inside the story.

RTTS detects text regions in the browser, translates only the needed crops, and redraws readable text over the page while preserving the surrounding artwork.

  • Image, canvas, and long-scroll readers
  • Bubble-aware wrapping and font sizing
  • Translate one screen or continue through a chapter
Japanese manga panel on MN4U before RTTS translation
ORIGINAL PAGE
The same MN4U panel with real RTTS Simplified Chinese text
RTTS TRANSLATED
REAL MN4U TEST
Flexible prepaid usage

Choose what fits today. Come back only when you need more.

Video minutes, manga pages, and web text characters have separate balances.

Start with 60 bilingual video minutes, 100 manga pages, and 50,000 web text characters free each UTC month. Invite a new customer: when their first eligible video or manga pack purchase is confirmed with your code, you both earn another 60 minutes, 100 pages, and 50,000 web characters.

FROM$2.59for 120 video minutes
FROM$2.99for 500 manga pages
Choose your pack