Generate, translate & sync subtitles in minutes with AI

AI Subtitle Studio transcribes movies and TV shows in 90+ languages and fixes timing automatically — fully offline on your Mac or PC — and translates subtitles into 25+ languages with AI.

Get your license — $9.99

One-time purchase · No subscription · Instant license delivery by email

Offline transcription & sync Windows macOS 90+ transcription languages

Everything subtitles

One app for creating, translating and fixing subtitles

Built for movie and TV content, powered by Whisper AI speech recognition running offline on your machine.

AI subtitle generator

Turn speech into accurate subtitles with offline Whisper AI transcription in more than 90 languages — perfect timestamps included.

AI subtitle translator

Translate existing SRT, ASS/SSA and embedded subtitles into 25+ languages with DeepSeek AI while keeping formatting and timing intact. Uses your own free API key.

Automatic subtitle sync

Out-of-sync subtitles? Offline acoustic alignment re-times every line to match the audio track — no manual offset guessing.

Batch processing

Queue an entire TV season and let the app extract, transcribe, translate and sync every episode automatically.

Automatic cleanup & repair

Fix broken encoding, remove SDH captions, correct OCR errors and repair malformed subtitle files in one click — instant and offline.

Offline & private by default

Transcription, syncing, extraction and cleanup run locally on your machine — no cloud, no accounts. Only AI translation calls the cloud, using your own API key.

How it works

From video to perfect subtitles in three steps

Drop in your video

Open any movie or episode. The app detects embedded subtitle tracks and sidecar files automatically via FFmpeg.

Generate or translate

Transcribe the audio with Whisper AI, or translate an existing subtitle track into your language.

Export & enjoy

Save perfectly synced SRT, ASS or VTT files ready for any media player, TV or streaming setup.

Simple pricing

Pay once, use forever

No subscription. No per-minute transcription fees. Free updates.

$9.99 one-time

Full version for Windows & macOS
Unlimited offline AI transcription & syncing
AI translation into 25+ languages
Use on up to 3 devices
Instant license key by email
Free updates

Buy now

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Frequently asked questions

Does AI Subtitle Studio work offline?

Transcription and subtitle syncing run locally on your computer — your video files are never uploaded anywhere. AI translation is the exception: it uses DeepSeek's cloud API with your own API key.

Which subtitle formats are supported?

SRT (SubRip), ASS/SSA (with styling), WebVTT and embedded subtitle tracks in MKV/MP4 containers, plus OCR of image-based subtitles (SUP/SUB) to text.

Is it really a one-time purchase?

Yes — $9.99 once, use forever on up to 3 devices. No subscription, no hidden fees.

See all FAQs →

Guides

Learn what you can do with subtitles

Practical how-tos for the most common subtitle jobs — all solved by AI Subtitle Studio.