Video subtitle generator

Convert Video to SRT Subtitles Online

Upload video files in MP4, MOV, WEBM, or other common formats and generate SRT subtitle files with timing aligned to spoken content.

LanguageFile uploads only · 100+ languages

Drop audio or video here

MP3, MP4, WAV, M4A, MOV, WebM and more · up to 6 GB each

Choose files

Record audio

Pause and resume anytime · up to 3 hours

Automatic transcription settings · target 128 kbps

  • No credit card required
  • Speaker labels
  • TXT, DOCX, SRT, VTT exports for all languages; PDF (basic ASCII only) for plain English text
  • Audio and video files

Supported formats: MP3, WAV, M4A, MP4, MOV, WEBM, AAC, FLAC

Private uploads. Files are used to create your transcript and exports.

Free monthly minutes included. No credit card required to start.

Built for audio, video, meetings, podcasts, lectures and interviews.

TXT, DOCX, SRT, VTT for all languages. PDF (basic ASCII only) for plain English text.

Why this tool

Built for your workflow

Multi-format video input

Process MP4, MOV, WEBM, MKV, and other video files from cameras or recorders.

Accurate subtitle timing

Generate SRT cues synchronized to speech in your footage.

Speaker-aware transcripts

Optional speaker labels help separate voices in interviews and panels.

Fast cloud processing

Upload once and receive subtitles without local transcription software.

How it works

From upload to export

  1. 1

    Upload your video

    Drag and drop a video file from your camera roll, editor, or export folder.

  2. 2

    Transcribe spoken audio

    VoiceScribe extracts and transcribes the audio track from your video.

  3. 3

    Download SRT file

    Export timed subtitles and import them into your player or editing suite.

Use cases

Common scenarios

Marketing video captions

Add subtitles to product demos and explainers before publishing.

Event recording accessibility

Caption keynote or panel footage for attendees who rely on subtitles.

Post-production workflows

Deliver SRT files to editors working in professional NLE tools.

Formats

Supported inputs and exports

Input formats

  • MP4
  • MOV
  • WEBM
  • MKV
  • M4V
  • AVI

Export options

  • TXT
  • DOCX
  • SRT
  • VTT
  • PDF (basic ASCII only)

Working from audio only?

Convert MP3 to SRT when you do not have a video file

Video is not required for subtitle generation. If your source is an audio-only MP3, use the MP3 to SRT converter to create timed captions before attaching them to a video edit or player.

Create SRT subtitles from MP3

FAQ

Frequently asked questions

What video formats are supported?
Common formats include MP4, MOV, WEBM, MKV, and M4V. Upload your file to confirm compatibility.
Will SRT timing match my video?
Subtitle cues are timed to the spoken audio embedded in your uploaded video.
Can I subtitle videos without narration?
VoiceScribe transcribes spoken audio. Videos with little or no speech may produce minimal subtitles.
Can I export other caption formats?
Yes. VTT, TXT, DOCX (all languages), and PDF (basic ASCII only) exports are available from the same transcript.

Ready to transcribe your file?

Upload now or open your dashboard for longer projects and saved transcripts.