Watch any video in your language.

Subtai translates existing subtitles on YouTube and Skool into natural, fluent translations in your language — in real time, powered by AI.

Explore Subtai See how it works

Private beta · 20 translation languages · Public access coming soon

How it works

From press play to fluent, in three steps.

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Open any video

Open a YouTube or supported Skool lesson video with existing source captions.

Read it in your language

Natural, context-aware subtitles appear over the video in seconds, and keep up as you watch or seek.

Features

Subtitles that keep up with you.

Real-time translation

Subtitles start at the moment you're watching, not at the beginning of the video. Seek anywhere; Subtai follows.

Context-aware AI

AI considers surrounding caption sentences. Results may vary by content.

20 translation languages

Turkish, Spanish, German, Japanese, Arabic and more. The source language is detected automatically.

YouTube + Skool

Works with YouTube and supported Skool lesson players. Source captions are required.

Transcript downloads

Export available source captions or lines translated so far, with or without timestamps.

Your style

Bilingual mode, font size, position and background. The interface itself speaks your language too.

Pricing

Simple pricing

Private beta · Prices and packages below are drafts. Purchases and registration are not open yet.

Free trial

$0 forever

60 minutes of video / month
All 20+ languages
Transcript downloads
No credit card required

Explore Subtai

Standard

$29 /month

Billed yearly — 2 months free

600 minutes of video / month
All 20+ languages
Transcript downloads
Cancel anytime

Get Standard

Pro

Questions, answered.

Everything you need to know before you press play. Anything else — we're one email away.

Support page coming soon

Which sites does Subtai work on?

Existing captions are translated on YouTube and supported Skool lesson players. Source captions are required.

Which languages are supported?

20 target languages are supported. The source language is detected from existing captions.

How does the minutes quota work?

Only actual time watching with translation counts. Pauses, buffering, ads and translation preparation do not count. Rewatching with translation uses the allowance again.

When will subscriptions open?

Subtai is in private beta. Public access and paid subscriptions will open when preparation is complete. Launch status.

Is my data safe?

This introductory website accepts no registrations or payments. The extension sends existing caption text to the server for translation; viewing history stays on the device. Launch status.