Documentation
Everything about configuring and using AI Subtitle Studio, screen by screen.
Getting Started
Installing AI Subtitle Studio and first launch
Download and install AI Subtitle Studio on Windows 10/11 or an Apple Silicon Mac, and see what to se...
Activating your license
How the license activation screen works, what "Activation required" means, and how to activate, chec...
Installing dependencies
AI Subtitle Studio downloads and manages the tools it uses: FFmpeg, Whisper, speech engines, ffsubsy...
Interface tour
A tour of the AI Subtitle Studio sidebar: the main menu groups, the Tools, Sermon Mode and Settings...
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 subtitle editor
Open a video or subtitle file in Edit Subtitles and work in the editor: header actions, track select...
Editing text and timing
Edit subtitles in the table: type text, change times, search and replace, format with bold, italic,...
The waveform and playback controls
Use the audio waveform with every subtitle laid over it, play and skip, change speed, zoom the timel...
Exporting and saving
The difference between Save and Export in the subtitle editor, the four export formats — SRT, WebVTT...
Editor keyboard shortcuts
Keyboard shortcuts for the subtitle editor: play and pause, skip, move between lines, set start and...
Get Subtitles
Transcribe
Turn the speech in videos into subtitle files on your own computer: choose the language, a speech en...
Live transcription
Transcribe your voice as you speak: pick a microphone, a language and a Whisper model, then copy the...
Extract
See the subtitle tracks inside MKV, MP4 and other videos and save the ones you want next to the vide...
YouTube Transcript
Paste a YouTube link and get the video's existing transcript in seconds. Copy it, save it as SRT, VT...
Translate & Clean Up
Translate
Translate subtitle files into another language with DeepSeek, paid by your own API key or by website...
AI Clean Up
Fix grammar, spelling and speech-recognition errors in a subtitle file with DeepSeek: choose what to...
Tools
Tools
Six single-purpose subtitle edits: shift timing, shift a section, color, position, clean up and sync...
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...
Clean Up
Clean Up removes SDH descriptions, speaker labels, credits and clutter and repairs timing, instantly...
Sync
Realign subtitles that start too early, too late or drift: sync against a video's audio or a subtitl...
Convert & Embed
Convert
Convert subtitle files in bulk: SRT, WebVTT, ASS and SSA, plus Blu-ray SUP and DVD VobSub image subt...
Embed
Put subtitle files inside a video as selectable tracks without re-encoding: MKV, MP4, WebM, language...
Automate
Workflows
Build a pipeline of steps — transcribe, clean up, translate, sync, embed, export — run it on one fil...
Workflow steps
Every step you can put in a workflow — inputs, transcribe, clean up, translate, sync, convert, embed...
Dubbing
Dub a video on your own computer: translate the dialogue and speak it in the original speakers' voic...
Dubbing voice library
Save a speaker's voice once and reuse it in every dubbing project, with casts, back up and share voi...
Sermon Mode
Transcribe a sermon recording, clean it up, find Scripture references, read the passages offline, tr...
Settings
Settings → Dependencies
Reference for the Dependencies screen: installing, updating and removing FFmpeg, Whisper.cpp, FFsubs...
Settings → General
General settings: default transcription language and model, how many videos transcribe at once, subt...
Settings → Speech Engines
Choose and install what turns speech into subtitles: Whisper and its models, Qwen3-ASR and Parakeet...
Settings → AI Providers
Add your DeepSeek API key, choose whether translation is paid by your key or by website credits, and...
Settings → License & Activation
Reference for the Settings → License & Activation screen: activate with your key, check status again...
Settings → About & Credits
What is on the About & Credits screen: your installed version, update check, links, and credits for...