Agent skill · creative production · sundial-org
video-subtitles
Generate SRT subtitles from video/audio with translation support. Transcribes Hebrew (ivrit.ai) and English (whisper), translates between languages, burns subtitles into video. Use for creating captions, transcripts, or hardcoded subtitles for WhatsApp/social media.
Why this skill is useful
Adds executable scripts for generating and burning subtitles with translation capabilities that aren't commonly available in public tools.
What it needs
Requires ffmpeg-full, uv installed locally. About 1k tokens when loaded. Last updated 2026-03-07. 639 stars on the source repository.
What this skill does
Video Subtitles Generate movie-style subtitles from video or audio files. Supports transcription, translation, and burning subtitles directly into video. Features Hebrew: ivrit.ai fine-tuned model (best Hebrew transcription) English: OpenAI Whisper large-v3 Auto-detect: Automatically detects language and selects best model Translation: Translate Hebrew → English Burn-in: Hardcode subtitles into video (visible everywhere, including WhatsApp) Movie-style: Natural subtitle breaks (42 chars/line, 1-7s duration) Quick Start Options Flag Description ------ ------------- --srt Generate SRT subtitle file --burn Burn subtitles into video (hardcoded, always visible) --embed Embed soft subtitles (toggle in player) --translate en Translate to English --lang he/en Force input language -o FILE Custom output path Output Default: Plain text transcript to stdout With --srt: Creates video.srt alongside input With --burn: Creates videosubtitled.mp4 with hardcoded subs Requirements uv: Python package manager (auto-installs dependencies) ffmpeg-full: For burning subtitles (brew install ffmpeg-full) Models: ~3GB each, auto-downloaded on first use Subtitle Style Font size 12, white text with black outline Bottom-aligned, movie-style positioning Max 42 chars/line, 2 lines max Natural breaks at punctuation and pauses
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sundial-org/video-subtitles