Download audio and video from thousands of websites using yt-dlp. Feature-rich command-line tool supporting format selection, subtitle extraction, playlist handling, metadata embedding, and post-processing. This skill is triggered when the user says things like "download this video", "download from YouTube", "extract audio from video", "download this playlist", "get the mp3 from this video", "download subtitles", or "save this video locally".
Process videos using ffmpeg and gifsicle to edit videos. Use when working with .mp4, .avi, or .gif files, or sequences of .png or .jpg files, and the request is to compress, convert to a different format, scale, crop, remove or extract frames, concatenate multiple videos in space or in time, or speed up or slow down the video.
Extracts frames at regular intervals from dashcam videos to create compact visual summaries of vehicle movement and location changes. This skill should be used when users need motion trajectory analysis, want to optimize dashcam storage by 90%+, need quick visual review of hours of footage, or want to create visual timelines of trips.
Extract YouTube video transcripts/subtitles using yt-dlp. Handles rate limiting, auto-generated captions, multiple languages, and VTT parsing.
Concatenate multiple MP4 files in order into a single MP4 using ffmpeg stream copy.
Enhance image quality using upscaling, denoising, color correction, and AI-powered tools
裁剪视频片段，支持压缩、音频控制等选项。Use when user wants to 剪辑视频, 裁剪视频, 截取视频, 视频剪切, 切视频, trim video, cut video, clip video, extract video segment.
Validates image file signatures using Magic Bytes and calculates SHA-256 cryptographic hash
Normalizes image histograms to preserve melanin features using Canvas API before analysis
Guide for using ImageMagick command-line tools to perform advanced image processing tasks including format conversion, resizing, cropping, effects, transformations, and batch operations. Use when manipulating images programmatically via shell commands.
Analyze and understand videos using Google's Gemini API. Use when the user asks to analyze, understand, describe, summarize, transcribe, or extract information from videos. Supports local video files (MP4, MOV, WebM, etc.) and YouTube URLs. Can answer questions about video content, describe scenes, identify objects/people/actions, extract text/timestamps, and more. Use this skill when user provides a video file path or YouTube link and wants to understand its content.
Modern responsive image techniques using picture element, srcset, sizes, and modern formats. Use when adding images that need to adapt to different screen sizes, resolutions, or support modern image formats.
