TTrimpx

Free Tool

YouTube Video Compressor Calculator

Enter your video file size, resolution and target upload time. Get exact ffmpeg compression commands to shrink your video without visible quality loss for YouTube.

500 MB
50 Mbps
200 MB

Compression Ratio Needed

Optimal Compression Settings

Click "Calculate" to generate your command

Click to copy

Best YouTube Compression Settings (2026)

ResolutionRecommended CRFPresetBitrate (kbps)
720p28veryfast2,500–3,500
1080p23fast5,000–8,000
1440p23medium10,000–15,000
4K22medium20,000–35,000

Compression Tips for YouTube Upload

  • YouTube Compression Guide: YouTube Compression Guide
  • Video to GIF Converter Guide: Video to GIF Converter Guide
  • Audio Extractor Guide: Audio Extractor Guide
  • CRF 23 is the sweet spot — looks identical to source at normal viewing distances
  • Use preset "fast" or "veryfast" for YouTube uploads — YouTube re-encodes anyway, so quality differences between presets are invisible
  • Always add -movflags +faststart for progressive playback (critical!)
  • AAC 192kbps audio is all YouTube needs — don't over-compress audio
  • If file is huge: Convert to WEBM/VP9 first (30-40% smaller than H.264), then re-encode to MP4/H.264 for maximum compatibility

After compressing, optimize your upload: Use Trimpx Bitrate Calculator for precise values and YouTube Upload Guide for encoding, titles, tags and SEO.