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lachlanchen
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video-face-image-replacement

Replace detected faces in videos with image assets using ffmpeg.

1|Updated Jun 3, 2026
Search Tags:#content creation#video editing#video effects#face replacement#animal mask
One-click install
npx skills add https://github.com/lachlanchen/LazySkills --skill video-face-image-replacement
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: video-face-image-replacement
Source: https://github.com/lachlanchen/LazySkills/tree/main/skills/video-face-image-replacement
Command: npx skills add https://github.com/lachlanchen/LazySkills --skill video-face-image-replacement

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill solves the problem of replacing or covering detected faces in videos with custom or generated image assets, suitable for animal masks, avatars, and other creative applications.

Core Features & Use Cases

  • Face Replacement: Replace or cover detected faces in a video with a supplied or generated image asset.
  • Animal Masks: Apply multi-person animal masks like panda, red panda, horse, cow, and giraffe.
  • Custom Avatars: Swap faces with avatars or other custom images.
  • Use Case: Create unique content by replacing human faces with animal masks or custom avatars in video content.

Quick Start

Use the video-face-image-replacement skill to replace faces in 'example_video.mp4' with a 'panda_mask.png' image asset.

Frequently Asked Questions about video-face-image-replacement

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I replace faces in a video with an image?▼

To replace faces in a video with an image, this Skill uses accurate detection and identity tracking to overlay a supplied image asset onto the detected faces, finishing with alpha compositing and ffmpeg output. It supports single-avatar overlays and multi-person animal masks.

Can I apply animal masks to multiple people in a video?▼

Yes, you can apply animal masks to multiple people in a video. The Skill supports multi-person animal masks like panda, horse, cow, and giraffe, tracking identities throughout the footage to maintain the overlay.

What is face replacement used for in video editing?▼

Face replacement in video editing is used to cover detected human faces with custom avatars or generated image assets. It is suitable for content creation workflows where you need creative applications like animal masks.

How does face tracking work for video overlays?▼

Face tracking for video overlays works by utilizing accurate detection and identity tracking to follow faces across frames. The Skill then applies background removal and alpha compositing to seamlessly integrate the replacement image.

Does video face replacement work with custom avatar images?▼

Yes, video face replacement works with custom avatar images. You can swap detected faces in your video with supplied custom avatars or other generated image assets to create unique content.

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