AI subtitle generator

Generate AI subtitles, automatic captions and transcripts

Import a video, audio recording, podcast, interview, lecture or editor-exported file. Voice2Sub recognizes speech with local Whisper AI, creates editable subtitles and transcript text, and exports SRT, VTT, TXT, LRC or CSV after review.

For AI subtitle generation, automatic captions and export-ready SRT/VTT subtitle files.

AI Subtitle Generator

Best for

  • YouTube videos, Shorts and tutorials
  • Course videos and lectures
  • Podcast clips and interview recordings
  • Screen recordings and product walkthroughs
  • Subtitle batches for editors or clients
  • Transcript archives that need reviewable text

From local media to editable subtitles

Voice2Sub is built for file-based subtitle work: import media from your computer, choose the spoken language, generate AI subtitles, review text and timing, then export a subtitle or transcript format that fits your destination.

Download free app

Why creators choose a desktop AI subtitle generator

  • Start from real production files such as lectures, interviews, tutorials, podcasts and screen recordings.
  • Avoid a browser upload queue before subtitle generation begins.
  • Keep source media in your desktop workflow and review the AI result before publishing.
  • Export standard subtitle files for editors, platforms, web players or transcript archives.

Workflow

Generate subtitles, then review before export

The app keeps the workflow predictable for short clips, long recordings and repeat caption jobs.

  1. 01

    Import video or audio

    Open an MP4, MOV, MKV, WAV, MP3, M4A or another supported media file from your computer.

  2. 02

    Generate AI subtitles

    Voice2Sub recognizes speech and creates editable subtitle or transcript text with timing.

  3. 03

    Review text and timing

    Check names, punctuation, line breaks and timing before using the output professionally.

  4. 04

    Export SRT/VTT or text

    Save SRT, VTT, TXT, LRC or CSV for publishing, editing, documentation or handoff.

See supported formats

Video/audio in, export-ready subtitles out

Use the same app for common camera videos, screen recordings, editor exports, podcasts, interviews and lectures. Voice2Sub supports 99 recognition languages and exports SRT, VTT, TXT, LRC and CSV after review.

File-based workflow

Start from the media file, not an upload form

Voice2Sub is designed for creators and teams who already have a local MP4, MOV, MKV, WAV, MP3 or M4A file. Instead of treating the browser as the workspace, the desktop app becomes the place where recognition, review and export happen.

  • Camera and phone videos
  • Screen recordings and tutorials
  • Podcast and interview audio

Review layer

AI output is a draft you can inspect

Automatic subtitles should not be published blindly. Use Voice2Sub to check the recognized text, punctuation, names, line breaks and timing before exporting. That review step is what turns a fast AI draft into a file you can hand to an editor or platform.

  • Check names and technical terms
  • Adjust line breaks before export
  • Check timing before publishing

Export decision

Choose SRT, VTT or text based on destination

SRT works well for broad subtitle exchange and handoff. VTT is common for web players and browser caption workflows. TXT is best when you want readable transcript text, while LRC and CSV support line timing or structured review.

  • SRT/VTT for captions
  • TXT for readable text
  • CSV for structured review

Positioning

A desktop alternative to browser-upload subtitle tools

Voice2Sub is not trying to be another online upload box. It is for people who prefer a local app for long recordings, private files, repeat subtitle jobs and media that already lives in a desktop editing workflow.

  • Long local recordings
  • Private or client files
  • Repeat subtitle batches

AI Transcription

AI Transcription

Voice2Sub also covers speech to text, audio to text, video transcription and Whisper AI transcription workflows, so subtitle generation stays connected to transcript and documentation workflows.

  • Speech to Text
  • AI Transcription
  • Whisper AI Transcription

Related workflows

Built for practical subtitle and transcript work

Use Voice2Sub when the job starts with a local file and ends with something you can edit, publish, search or hand off to another tool.

  • SRT/VTT captions for publishing
  • Transcript text for articles or notes
  • Course accessibility files
  • Interview review and documentation
  • Editor handoff files
  • Internal media archives

FAQ

What is an AI subtitle generator?

It is software that recognizes speech in video or audio and creates subtitle text, timing and transcript output for review and export.

Can Voice2Sub generate subtitles from both video and audio?

Yes. You can import local video or audio files, generate AI text, review the result and export subtitle or transcript formats.

Can I export SRT and VTT?

Yes. Voice2Sub exports SRT and VTT, plus TXT, LRC and CSV for transcript and review workflows.

Does it support multiple languages?

Yes. Voice2Sub supports AI recognition for 99 languages. The result should still be reviewed before publishing.

Do I need to upload files to the website?

No. You import video/audio into the desktop app and process it on your computer.

Is this an online subtitle generator?

No. Voice2Sub is a desktop app for desktop file workflows, not a browser-upload subtitle tool.

Create AI subtitles from your next video/audio file

Generate AI subtitles from local video or audio files. Voice2Sub runs as a desktop app, supports 99 languages, and exports SRT, VTT, TXT, LRC and CSV after review.