Free Online Youtube Video Compressor
Shrink file sizes by 90% while keeping HD quality for faster uploads.
Loved by 50,000+ AI creators
Upload Your YouTube Video
Drag and drop the video file you want to compress, or click to browse your files. The tool supports MP4, MOV, WebM, and other common formats up to 500MB.
Adjust Compression Settings
Use the compression slider to balance file size and quality. For YouTube uploads, medium compression typically works well. Preview the output to ensure it meets your quality standards before finalizing.
Download and Upload to YouTube
Download the compressed file to your device. The smaller file size means faster upload times to YouTube. Your video is ready to publish or schedule on your channel.
FAQs
Can I compress YouTube videos without downloading them first?
No. You need to have the video file on your device before compressing it. If you downloaded a YouTube video for personal use (where permitted), upload the file here to compress it. This tool processes local files only and does not access YouTube directly.
What format should I compress YouTube videos to?
MP4 with H.264 encoding is the best choice for YouTube videos. It offers the widest compatibility and excellent compression efficiency. If you have a video in another format, this compressor outputs MP4 by default. For other formats, try our dedicated MOV compressor or WebM compressor.
Will compressing a YouTube video affect its visual quality?
Moderate compression has minimal visible impact, especially for videos destined for YouTube. YouTube re-encodes all uploads anyway, so a well-compressed file will look nearly identical to the original after YouTube's own processing. Aim for a bitrate of at least 8 Mbps for 1080p content.
How much can I reduce a YouTube video's file size?
Typically 40-70% depending on the source encoding. A 1GB YouTube download can often be compressed to 300-400MB with no perceptible quality loss. For shorter clips under 5 minutes, you can often get files under 50MB while maintaining good quality.
What's the best resolution for YouTube uploads?
YouTube supports up to 8K, but 1080p (1920x1080) is the sweet spot for most creators. It offers great quality at manageable file sizes. If your source is 4K, you can downscale to 1080p during compression to dramatically reduce file size while keeping sharp visuals on most screens.
Can I compress YouTube Shorts videos?
Yes. YouTube Shorts use a 9:16 vertical format. This compressor handles vertical videos just like horizontal ones. If you need to crop a horizontal video to vertical first, use our video cropper tool, then compress the result here.



