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compress mp4

Compress MP4 Online

A direct MP4 compression workflow for reducing file size before sharing, emailing, or uploading.

No upload No watermark Free, no signup
Quick target size
Advanced controls for resolution, audio, trim, and aspect ratio unlock after upload.

Coming next

More video tools

Convert

Change video formats when the converter is ready.

Trim

Cut clips down to the part you need.

Resize

Change resolution and dimensions.

Crop

Reframe videos for social posts.

Extract Audio

Pull audio from video files.

Your privacy is the product rule.

Compression runs locally in your browser today, and future tools should keep that same no-upload default whenever possible.

Learn more

How to use this tool

  1. Add one MP4 file.
  2. Choose a target size or platform preset.
  3. Download the compressed MP4 when processing finishes.

Compress MP4 for sharing

Use this route when your task is simply to make an MP4 smaller for a chat app, email attachment, upload form, or class assignment.

Canonical MP4 compressor page

This page is kept as a separate entry for users searching 'compress MP4', while its canonical URL points to the MP4 Compressor page.

Browser-based compression and privacy

The video file is handled in your browser session. The compression engine runs locally, so the file is not uploaded to a server and no watermark is added.

Supported formats

The first version accepts MP4, MOV, and WebM files up to 500MB. Files from 200MB to 500MB can be processed, but the page warns that browser memory and processing time may be a limit.

FAQ

Is this different from the MP4 Compressor page?

The task is the same, but this page is written for users searching for 'compress MP4'. The canonical page is the MP4 Compressor route.

Can I choose a custom MB size?

Yes. Select Custom MB and enter the exact target size you need.

Will the result stay under the target?

The tool aims for the target size, then reports the actual size. If it is over target, lower resolution, remove audio, or trim the clip.