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@joshuabaker/video-poster-blur

v1.0.0

Published

Generate a Base64 data URI blur placeholder from a video for use as a poster attribute

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Links

Maintainers

joshuabakerjoshuabaker

Keywords

Readme

Video Poster Blur

Blur placeholder images from video files, built on ffmpeg and sharp.

  • 🎬 Grabs the first frame from any video format
  • 🔬 Shrinks it down to a tiny image that blurs naturally when scaled up
  • 📦 Outputs a ready-to-use data URI for <video poster="...">
  • 🤖 Includes a Claude Code skill for agent integration

Prerequisites

Node.js (v18.3+) and ffmpeg must be installed:

brew install ffmpeg

Usage

npx @joshuabaker/video-poster-blur video.mp4
# data:image/png;base64,iVBORw0KGgo...

npx @joshuabaker/video-poster-blur video.mp4 --width 20

Options

| Flag | Default | Description | |------|---------|-------------| | -w, --width | 10 | Width of output image in pixels | | -h, --help | | Show help |

HTML

<video
  src="video.mp4"
  poster="data:image/png;base64,..."
  style="object-fit: cover;"
>
</video>

Agent Skill

Install the skill so Claude Code automatically generates blur posters when inserting <video> elements:

npx skills add joshuabaker/video-poster-blur