SubtitleCraft PRO – Udemy-Compliant Subtitles (42x2 | SRT & VTT)

By Falcon Epic Studio. For Udemy instructors who need captions that pass first time.

Upload MP4, MOV, MP3, WAV, M4A and auto-generate perfect subtitles: 42 chars/line, 2 lines max, 84 total, 5.5s max. Smart chunking (merge 0.9s if gap <0.6s, 24-char sentence break), word timestamps, draggable editor, live preview, one-click SRT + VTT + plain text export.

3 LIVE ENGINES – you choose: Whisper (accuracy), AssemblyAI (speed + diarization), Deepgram Nova-2 (fast + cheap).

100% client-side. No backend, no proxy. API key stays in browser, direct to provider. Keys saved locally as {whisper,assembly,deepgram} in subtitlecraft_keys_v2. Your video never touches our servers. Includes Demo Mode.

$29.99 lifetime via Whop.

DISCLAIMER: Requires your own API keys. Transcription costs are separate and billed by providers (~$0.004–$0.015/min). Not affiliated with Udemy, OpenAI, AssemblyAI, or Deepgram. Compliance based on Udemy public spec as of 2025/26. You are responsible for the final review. Digital instant-access product – no refunds after download. Provided as-is.