Video Edit

extract_clip

Extract a clip with frame-accurate cutting.

Input:

• videoPath (string, required): Source video path
• start (number, required): Start time in seconds
• end (number, required): End time in seconds
• output (string, required): Output file path

Output: Confirmation with output path

detect_silence

Find silent regions in video audio.

Input:

• videoPath (string, required): Video file path
• threshold (string): Silence threshold (default: "-30dB")
• minDuration (number): Minimum silence duration in seconds (default: 0.5)

Output: JSON array of silent regions with start, end, duration

remove_silence

Remove all silent regions from video.

Input:

• videoPath (string, required): Video file path
• output (string, required): Output file path
• threshold (string): Silence threshold (default: "-30dB")
• minDuration (number): Minimum silence duration (default: 0.5)

Output: Confirmation with regions removed count and total time saved

burn_captions

Hard-code subtitles into video (ASS or SRT format).

Input:

• videoPath (string, required): Video file path
• captionsFile (string, required): Path to ASS/SRT caption file
• output (string, required): Output file path

Output: Confirmation with output path

generate_variants

Create platform-specific aspect ratio variants.

Input:

• videoPath (string, required): Video file path
• platforms (array, required): Target platforms — tiktok, youtube, instagram, linkedin, twitter
• outputDir (string, required): Output directory

Output: List of generated variant files

Aspect Ratios:

• TikTok: 9:16 portrait
• YouTube: 16:9 landscape, 9:16 shorts
• Instagram: 9:16 reels, 1:1 square, 4:5 feed
• LinkedIn: 16:9 landscape, 1:1 square
• Twitter: 16:9 landscape, 1:1 square

Examples

Extract a clip:

Cut from 10 seconds to 45 seconds of video.mp4

→ extract_clip with start: 10, end: 45

Remove silence:

Clean up the dead air in my recording

→ remove_silence

Create social media versions:

Generate TikTok and YouTube Shorts versions

→ generate_variants with platforms: ["tiktok", "youtube"]