Documentation
Everything about configuring and using AI Subtitle Studio, screen by screen.
Getting Started
Installing AI Subtitle Studio and first launch
How to download, install and open AI Subtitle Studio on Windows and macOS, and what to expect the fi...
Activating your license
How the license activation screen works, what "Activation required" means, and how to activate, chec...
Installing dependencies
AI Subtitle Studio manages six external tools for you. Here's what each one does and how to install...
Interface tour
A guided overview of AI Subtitle Studio's sidebar — Dashboard, Edit Subtitles, Translate, Convert an...
Dashboard
Edit Subtitles
The Edit Subtitles file list
The Edit Subtitles screen's list view: adding files, bulk clean/sync actions, and opening a file in...
The editor workspace
What every button in the Edit Subtitles editor header does: List, Undo/Redo, Save, Export, Tracks, A...
Editing text and timing
How the Subtitle Segments table works: selecting, editing, merging, adding, and deleting subtitle bl...
The waveform and playback controls
How the audio waveform panel works in the subtitle editor: zoom, transport controls, playback speed,...
The Cleanup tool
Every option in the offline, rule-based Cleanup dialog: content removal, text cleanup, timing fixes,...
AI Clean Up
How the DeepSeek-powered AI Clean Up feature works: the Fix/Flow/Polish modes, context hints, and ba...
Syncing subtitles to audio
How Auto-Sync realigns subtitle timing to the actual audio, including video-sync vs reference-subtit...
Exporting and saving
The difference between Save and Export in the subtitle editor, and the four export formats: SRT, VTT...
Editor keyboard shortcuts
The full list of keyboard shortcuts available in the Edit Subtitles editor workspace: playback, skip...
Translate
Convert
Tools
Tools
Four small, single-purpose edits to a subtitle file: shift the whole thing, shift part of it, change...
Shift Timing
Move every subtitle in an SRT, VTT or ASS file earlier or later by a fixed amount. Free, offline, an...
Shift a Section
Move a range of subtitles without touching the rest — for files that go out of sync partway through,...
Color
Set the colour of every subtitle in a file, or strip colouring it already carries. Writes the right...
Position
Move subtitles to the top of the frame, a corner, or anywhere on a 3×3 grid. Writes ASS overrides fo...
YouTube
Settings
Settings → Dependencies
Reference for the Dependencies settings screen — installing, updating and removing FFmpeg, Whisper.c...
Settings → General
Every option on the General settings screen: default transcription language/model, subtitle layout,...
Settings → Transcription Models
How to download and manage Whisper transcription models — Tiny through Large — plus the Silero VAD m...
Settings → AI Providers
How to configure your DeepSeek API key in Settings, which unlocks AI subtitle translation and AI Cle...
Settings → License & Activation
Reference for the Settings → License & Activation screen: activate with your key, check status again...
Settings → About & Credits
What's on the Settings → About & Credits screen: your installed version number, website and support...