Installable skillMIT

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.

BY agentskillexchangeUPDATED Oct 27, 2026
INTENDED FOR✳Claude CodeInstall in a listed agent.

instructions.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/)
COMPATIBILITY & REFERENCES

Platform guidance

Imported from the listed AgentSkill.sh category. Complete supplied package files and notices are retained. Required external tools and credentials are not installed. No bundled code was executed during import. Individual agent task behavior has not been tested.