Comprehensive video processing toolkit using FFmpeg. Supports format conversion, resolution adjustment, cropping/trimming, compression optimization, watermarking, and audio extraction. Use when Claude needs to process video files: (1) Convert between formats (MP4, AVI, MOV, MKV, WebM), (2) Adjust resolution/scale videos, (3) Crop or trim video segments, (4) Compress/optimize file size, (5) Add watermarks (image or text), (6) Extract audio or remove audio streams, or (7) Batch process multiple videos.