Ffmpeg Thumbnail Mosaic Generator

Name: Ffmpeg Thumbnail Mosaic Generator
Author: agentskillexchange

ASecurity

Creates video thumbnail mosaics and sprite sheets using FFmpeg filters and the fluent-ffmpeg Node.js wrapper. Generates contact sheets, animated GIF previews, and WebVTT thumbnail tracks.

36 stars
0 votes
0 copies
1 view
Added June 8, 2026

ai-agentsgonodegit

Works with

claude code

Security analysis

A100/100

Scanned June 8, 2026

npx -y skills add agentskillexchange/skills --skill ffmpeg-thumbnail-mosaic-generator --agent claude-code

Installs into .claude/skills of the current project.

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SKILL.md

---
name: "FFmpeg Thumbnail Mosaic Generator"
slug: "ffmpeg-thumbnail-mosaic-generator"
description: "Creates video thumbnail mosaics and sprite sheets using FFmpeg filters and the fluent-ffmpeg Node.js wrapper. Generates contact sheets, animated GIF previews, and WebVTT thumbnail tracks."
github_stars: 58972
verification: "listed"
source: "https://github.com/FFmpeg/FFmpeg"
category: "Image & Creative Automation"
framework: "Claude Code"
tool_ecosystem:
  github_repo: "ffmpeg/ffmpeg"
  github_stars: 58972
---

# FFmpeg Thumbnail Mosaic Generator

Creates video thumbnail mosaics and sprite sheets using FFmpeg filters and the fluent-ffmpeg Node.js wrapper. Generates contact sheets, animated GIF previews, and WebVTT thumbnail tracks.

## Installation

No source-backed install or usage instructions could be extracted automatically. Review the upstream project before running this skill in a sensitive workflow.

- Source: https://github.com/FFmpeg/FFmpeg

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/ffmpeg-thumbnail-mosaic-generator/)