video-post-process

Automate video post-processing with FFmpeg for platform-ready MP4 outputs.

Updated Feb 1, 2026
One-click install
npx skills add https://github.com/az9713/whatsapp-claude-old --skill video-post-process
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: video-post-process
Source: https://github.com/az9713/whatsapp-claude-old/tree/main/.claude/skills/video-post-process
Command: npx skills add https://github.com/az9713/whatsapp-claude-old --skill video-post-process

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes assets (resource) components.

What problem does it solve?

This Skill streamlines the post-processing stage for video renders by applying finishing touches with FFmpeg, saving manual editing time and ensuring consistent outputs.

Core Features & Use Cases

  • Voiceover replacement and audio mixing to tailor soundtracks for different platforms.
  • Resize, crop, and format exports to platform-ready MP4 videos (YouTube, TikTok, etc.).
  • Use Case: After rendering a video, automatically add a voiceover, mix in background music, and export optimized variants for multiple platforms in one pass.

Quick Start

Process a rendered video by applying voiceover, mixing audio, resizing for target platforms, and exporting optimized outputs.

Frequently Asked Questions about video-post-process

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

FAQPage Schema
How do I automate FFmpeg video post-processing for multiple platforms?

Automate FFmpeg video post-processing by applying finishing touches like voiceover replacement, background music mixing, resizing, and trimming to export platform-ready MP4 outputs in one pass.

Can I mix background music and replace voiceovers in an MP4 using FFmpeg?

Mix background music and replace voiceovers in an MP4 using FFmpeg by referencing asset directories for audio files and applying audio mixing commands to produce tailored soundtracks for different platforms.

What's the best way to resize and export videos for TikTok and YouTube?

Resize and export videos for TikTok and YouTube by applying FFmpeg resizing and format conversion to render platform-ready MP4 outputs optimized for each specific platform's dimensions.

Do I need FFmpeg installed to automate video editing and audio mixing?

You need FFmpeg installed to automate video editing and audio mixing, as the Skill relies on FFmpeg commands to process voiceover replacement, background music, resizing, and MP4 exports.

Can I trim and crop video renders without manual editing software?

Trim and crop video renders without manual editing software by running FFmpeg commands through automation to apply precise cuts and dimension adjustments, producing finished MP4 outputs.

Why use FFmpeg for video post-processing instead of manual editing?

Use FFmpeg for video post-processing to save manual editing time and ensure consistent outputs by automating repetitive finishing tasks like audio mixing, resizing, and multi-platform MP4 exports.