Video Compressor
Compress heavy video files to smaller sizes for easier sharing.
Click to select a video
Supports MP4, WEBM, MOV, AVI
What is Video Compressor?
This video compressor online tool helps you reduce video file size free so your clips fit within email attachment limits, upload caps, or just take up less storage space. It's designed to compress video without losing quality as much as possible by balancing bitrate and resolution intelligently. Shrink video size online in just a few clicks, right in your browser.
How It Works
This tool runs FFmpeg compiled to WebAssembly directly in your browser tab to re-encode your video at a lower bitrate, adjusted resolution, or more efficient codec settings, the same compression engine used by professional video software. Because compression happens locally, you can experiment with different quality settings and instantly see the resulting file size without any upload wait time.
Is It Safe to Use?
Your video is compressed entirely within your browser tab using WebAssembly FFmpeg, so it's never uploaded to a server during processing. This matters for personal videos, work recordings, or private footage you need smaller without exposing it to a third party.
How to Use Video Compressor (Step-by-Step Guide)
- Upload the video file you want to compress
- Choose a compression level or target file size
- Adjust resolution settings if further size reduction is needed
- Click compress to let FFmpeg process the video
- Compare the before/after file size and download the result