Ffmpeg Thumbnail Mosaic Generator

---
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/)