video-editing

Speed up video files with FFmpeg while preserving audio pitch.

12|2|Updated Jan 2, 2026
One-click install
npx skills add https://github.com/osolmaz/tools --skill video-editing-osolmaz
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: video-editing
Source: https://github.com/osolmaz/tools/tree/main/agents/skills/video-editing
Command: npx skills add https://github.com/osolmaz/tools --skill video-editing-osolmaz

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Editing video often requires changing playback speed without affecting audio quality, while keeping the original file intact for non-destructive workflows.

Core Features & Use Cases

  • Non-destructive editing: generate a speed-adjusted output while preserving the source file.
  • Audible pitch preservation: maintain audio pitch when speeding up or slowing down video.
  • Workflow versatility: suitable for tutorials, clips, and batch processing in local environments.

Quick Start

Speed up a video by a chosen multiplier (e.g., 1.5x) while preserving audio pitch and leaving the original file untouched.

Frequently Asked Questions about video-editing

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

FAQPage Schema
How do I speed up a video without changing the audio pitch?

To speed up video without changing audio pitch, this Skill applies a speed multiplier while preserving the original audio pitch, generating a new output file without re-encoding artifacts.

Does speeding up video with FFmpeg keep the original file intact?

Yes, speeding up video with FFmpeg keeps the original file intact by generating a separate output file with the adjusted speed, unless you explicitly request to overwrite the source.

Do I need FFmpeg installed to adjust video playback speed non-destructively?

Yes, you need FFmpeg installed to adjust video playback speed non-destructively, as this Skill relies on it to process clips and output a new file with the chosen speed multiplier.

What is non-destructive video editing for playback speed adjustment?

Non-destructive video editing for playback speed adjustment modifies a copy of the clip rather than the source file, allowing you to test different multipliers without degrading the original media.

Can I batch process multiple clips to speed up video while preserving audio?

Yes, you can batch process multiple clips to speed up video while preserving audio, as the workflow is suitable for tutorials, clips, and batch processing in local environments.

Why does my video have re-encoding artifacts after changing the playback speed?

Re-encoding artifacts after changing playback speed occur when the media is fully re-encoded; this Skill avoids those artifacts by processing the speed multiplier without degrading the output quality.