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localization•Updated 10/9/2025

Automated Subtitle & Caption Generation

Accurate, perfectly timed subtitles for all video content, enhancing reach and accessibility.

$0.007 - $0.02 per minute of audio2 minutes per 1 hour of audio

The Problem

Need accurate, timestamped subtitles (SRT/VTT files) for all video content to meet accessibility and SEO requirements.

Expected Outcome

Accurate, perfectly timed subtitles for all video content, enhancing reach and accessibility.

Tool Chain

Deepgram
Whisper (OpenAI API)
AssemblyAI

Implementation Steps

  1. 1

    Video File Upload

    Upload the video's audio track to the transcription service.

  2. 2

    Timestamped ASR

    The transcription API processes the audio, providing word-level timestamps.

    Deepgram
  3. 3

    Subtitle Formatting

    A post-processing script converts the timestamped transcript into standard subtitle formats (SRT, VTT), ensuring line breaks are correct.

  4. 4

    Video Integration

    The subtitle file is integrated into the video player or hardcoded into the video file.

Alternatives

Step 2AssemblyAI

Reliable diarization and formatting options for subtitles.

Cost Impact: N/A

Export Workflow

Coming Soon

Soon you’ll export this stack to Zapier, n8n, or a starter repo with presets (env vars, webhooks, rate limits).

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