Translation that stays on the page
MONTHLY FREE · 60 MIN + 100 PAGESINVITE REWARD · BOTH +60 MIN + 100 PAGES

Watch every video. Read every story and document.

RTTS adds live bilingual subtitles to online video, places translated text back inside manga pages, and translates PDFs while preserving their layout.

  • Free every monthVerified accounts get 60 bilingual video minutes + 100 manga pages each UTC month.
  • Invite a friend. Both earn.After their first completed purchase, you each get 60 video minutes + 100 manga pages.
  • 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
One extension, across the web

Built for major video platforms, modern manga readers, and PDF documents.

RTTS captures playable tab audio, supports image, canvas, and long-scroll comic layouts, and translates text-based PDFs through your own document provider.

▶YouTube▶Netflix▶Bilibili●Twitch▤WEBTOON▤PiccomaPDFText-based files+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
Manga4U image reader before RTTS translation
ORIGINAL PAGE
The same Manga4U page with real RTTS text overlays
RTTS TRANSLATED
REAL MANGA4U TEST
03 / PDF

Translate the document. Keep its layout.

Open RTTS, choose a text-based PDF, and download a translated copy. Your Azure Translator key stays encrypted on the service and its own account pays the provider bill.

  • Text-based PDFs; image-only scans are not supported yet
  • Layout-preserving translated download
  • Bring your own Azure key; RTTS credits are not used
Actual RTTS online PDF translation interfacePDFTRANSLATED FILEREAL EXTENSION INTERFACE
Flexible prepaid usage

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

Video minutes and manga pages are sold separately. PDF translation uses your own Azure account and does not consume either balance.

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

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