video-thumbnail-generator

Generate platform-specific video thumbnails from real video frames.

907|122|Updated Jul 15, 2026
One-click install
npx skills add https://github.com/0xsline/OpenChatCut --skill video-thumbnail-generator-0xsline
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: video-thumbnail-generator
Source: https://github.com/0xsline/OpenChatCut/tree/main/src/agent/skills/video-thumbnail-generator
Command: npx skills add https://github.com/0xsline/OpenChatCut --skill video-thumbnail-generator-0xsline

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill solves the challenge of creating high-quality, platform-optimized thumbnails that accurately reflect video content without resorting to generic or misleading imagery.

Core Features & Use Cases

  • Real-Frame Extraction: Uses actual video frames to ensure visual fidelity for products, UI, or subjects.
  • Platform Optimization: Provides tailored guidance for YouTube, Shorts, TikTok, and other social platforms based on specific aspect ratios.
  • Style Recipes: Integrates professional style references to ensure thumbnails are readable, high-contrast, and engaging on mobile devices.

Quick Start

Use the video-thumbnail-generator skill to create a YouTube thumbnail for the current project using a dramatic frame from the video.

Frequently Asked Questions about video-thumbnail-generator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create video thumbnails that are optimized for YouTube and TikTok?

Generate platform-specific video thumbnails by analyzing actual video frames and applying curated style recipes. This approach ensures thumbnails are readable, high-contrast, and mobile-ready across different aspect ratios for platforms like YouTube and TikTok.

How do I generate a YouTube thumbnail from a specific video frame?

Generate a YouTube thumbnail by extracting a dramatic frame from your video project and applying a professional style recipe. The skill uses real-frame extraction to ensure visual fidelity for products, UI, or subjects without resorting to generic imagery.

Can I use this to create thumbnails for product demos and tutorials?

Yes, this skill supports diverse content types including tutorials, product demos, and cinematic storytelling. It analyzes real video frames to ensure the thumbnail accurately reflects the visual content of your specific video project.

What is the best way to make video thumbnails readable on mobile devices?

The best way to make video thumbnails readable on mobile is by applying professional style recipes that enforce high-contrast and mobile-readability constraints. This ensures the final thumbnail remains engaging on smaller screens.

Do I need to provide visual context from my video project to generate a thumbnail?

Yes, you need to provide visual context from the video project to generate an accurate thumbnail. The skill relies on real-frame extraction from your provided video context to ensure the thumbnail faithfully represents the actual video content.