video-comparer

Compare two video files using PSNR and SSIM metrics with FFmpeg.

4|Updated May 23, 2026

Search Tags:#video #compression #video analysis #quality assessment #frame comparison

Ready to run

npx skills add https://github.com/791994545/Deepseek-Reasonix-Autopilot --skill video-comparer-791994545

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: video-comparer
Source: https://github.com/791994545/Deepseek-Reasonix-Autopilot/tree/main/skills/video-comparer
Command: npx skills add https://github.com/791994545/Deepseek-Reasonix-Autopilot --skill video-comparer-791994545

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires ffmpeg, ffprobe, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill provides an in-depth analysis of video quality and compression, allowing for accurate assessments and comparisons between original and compressed videos.

Core Features & Use Cases

Video Metadata Extraction: Extracts essential details such as codec, resolution, frame rate, bitrate, and duration.
Quality Metrics: Calculates PSNR and SSIM to quantify the quality of the compressed video.
Frame-by-Frame Comparison: Offers interactive sliders, side-by-side, and grid modes for detailed visual comparisons.
Use Case: When you need to compare the original video with a compressed version to evaluate the impact of compression on quality.

Quick Start

Compare videos 'original.mp4' and 'compressed.mp4' using the video-comparer skill.

Frequently Asked Questions about video-comparer

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

FAQPage Schema

How do I compare video quality between an original and compressed video?▼

To compare video quality, you can calculate PSNR and SSIM metrics to quantify compression impact and generate interactive visual reports. This process evaluates frame-by-frame differences using side-by-side and grid modes for detailed analysis.

What do PSNR and SSIM metrics tell me about video compression?▼

PSNR and SSIM metrics quantify the quality degradation in a compressed video. They measure structural similarity and signal-to-noise ratios between original and compressed frames, providing objective scores to evaluate compression impact.

Do I need FFmpeg and FFprobe to analyze video metadata and quality?▼

Yes, you need FFmpeg and FFprobe installed to analyze video metadata and quality. These dependencies are required to extract codec, resolution, frame rate, and bitrate details, and to perform the underlying video processing.

How do I extract video metadata like codec, resolution, and bitrate?▼

You can extract video metadata like codec, resolution, frame rate, and bitrate using FFprobe. This extracts essential video details to help you understand the technical properties before performing detailed quality assessments.

Can I perform a frame-by-frame comparison of compressed videos?▼

Yes, you can perform a frame-by-frame comparison of compressed videos using interactive sliders, side-by-side, and grid modes. This allows detailed visual inspection of compression artifacts and quality loss across individual frames.

What video formats are supported for compression quality analysis?▼

Compression quality analysis is compatible with a range of video formats, as long as FFmpeg and FFprobe can process them. This format flexibility allows you to evaluate various original and compressed video files.

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audio-extractor

Extract and enhance audio from video files for MP3/WAV/AAC output.

video-comparer

Compares two video files for compression quality differences using FFmpeg and FFprobe, generating interactive HTML reports with PSNR/SSIM metrics and frame-by-frame views.

Official

Advanced