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Compress Video Online Free

Shrink a video to a specific target size β€” WhatsApp, Discord, or email limits β€” or compress with balanced quality, all in your browser.

Runs entirely in your browser β€” your files are never uploaded to a server.

Last updated

This tool processes your file entirely in your browser using WebAssembly. Nothing is uploaded to our servers.

How It Works

1. Choose Your File

Drag & drop or select the file you want to work with.

2. Processed in Your Browser

Everything happens locally on your device β€” your file is never uploaded anywhere.

3. Download Your Result

Get your finished file instantly, ready to save or share.

About Compress Video Online Free

Video files get large fast, and a video that’s too big to email, upload within a platform’s limit, or send over a slow connection is a common, frustrating problem. Compression reduces file size by discarding some of the data that makes up the least visually noticeable parts of the video.

There’s a real, unavoidable trade-off between file size and visual quality in video compression β€” no setting eliminates this trade-off, only manages it more or less aggressively. This tool is tuned to prioritize keeping quality high while still meaningfully reducing size, rather than maximizing compression regardless of visible quality loss.

A practical tip: if you’re compressing specifically to meet a platform’s upload size limit, it’s worth compressing a bit more aggressively than the exact limit requires β€” landing right at the edge risks the file still being rejected due to how different platforms calculate size slightly differently.

Frequently Asked Questions

How to compress a video file size?

Upload your video, pick a target preset and click compress. WhatsApp aims for 16MB, Discord for 10MB and Email for 25MB, while Balanced Quality simply shrinks the file without a size target. The video is re-encoded to MP4 (H.264), so some quality loss is normal.

How to compress a video for Discord?

Select the Discord (10MB) preset. The tool works out a bitrate from your video length so the result aims to land near 10MB, then shows the final size when it finishes. Long or high-motion clips may look noticeably softer, because the size budget is fixed.

How to compress a video to send in email?

Choose the Email (25MB) preset and compress. The output is an MP4 sized to aim for about 25MB, and the final size is displayed afterwards. Check your mail provider's current attachment limit, since the tool targets the preset size rather than a specific provider.

Does compressing reduce video quality?

Yes, to some degree. The video is re-encoded, so it is never identical to the original, and tighter size targets mean softer detail. Balanced Quality keeps more detail than the target-size presets. Compression is CPU-heavy and can take a few minutes for longer videos.