Video Thumbnail Generator

Synced from the ChatCut Skill catalog · Updated August 7, 2026

Input a video or timeline plus the target platform, aspect ratio, and title direction; receive a truthful, high-contrast thumbnail built from real frames and readable on mobile.

What this Skill does

Create platform-ready thumbnails from real video frames. Use when the user wants a thumbnail, cover image, YouTube cover, Shorts cover, Bilibili cover, Xiaohongshu cover, or other video poster image.

Use this Skill when

The user wants a thumbnail, cover image, YouTube cover, Shorts cover, Bilibili cover, Xiaohongshu cover, or other video poster image.

What the package contains

8 workflow steps

The ordered procedure the agent works through, from the material you hand it to the finished timeline.

5 operating rules

Constraints it holds to along the way, so the result stays predictable instead of drifting mid-edit.

5 quality checks

What it verifies before calling the work done — the pass you would otherwise run yourself.

4 defined inputs

The footage, references, and decisions this workflow expects from you up front.

How to run it

1. Start in the ChatCut project you want to work on.
2. Open the AI composer's Skills menu and find Video Thumbnail Generator. Choose the workflow, then check the attached Skill in your prompt.
3. Add the footage or references for this job and explain your intended result. Send the request when those inputs are ready.

For selection and reuse, see the Skills guide.

Changelog

Updated August 7, 2026 — synced from the ChatCut Skill catalog. No revisions recorded before this one.