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Compress MP4 videos online

MP4 Video Compressor

Upload an MP4 video and reduce its file size with smart FFmpeg compression. Choose compression level, resize resolution, adjust audio bitrate, mute audio, and download a smaller MP4 file.

MP4 Upload Reduce Size Download MP4

Smaller videos, clean quality

Useful for websites, email attachments, social uploads, storage cleanup, mobile sharing, and faster video delivery.

Free MP4 Video Compressor Tool

Upload your MP4 file, select compression settings, and create a smaller optimized MP4 video.

Upload MP4 Video

No file selected
Choose quality vs size.
Lower resolution saves more.
Audio quality setting.
Remove audio to save size.
Server note: this compressor needs FFmpeg with libx264 and AAC support. Large videos may need higher PHP upload and execution limits.

Compressed Result

No compressed video yet

Upload an MP4 video and your compressed download link will appear here.

MP4 Input Format
MP4 Output Format
300MB Max File Size
1 Hour Auto Cleanup

Why Use an MP4 Video Compressor?

Large MP4 files can be slow to upload, hard to share, and heavy for websites. Compression helps reduce size while keeping usable quality.

Reduce Video Size

Compress MP4 files using smart encoding settings to make videos smaller and easier to store or share.

Resize Resolution

Keep the original size or limit video output to 1080p, 720p, or 480p for stronger compression.

Choose Quality Level

Select better quality, balanced compression, or maximum size reduction based on your needs.

What Is MP4 Video Compression?

MP4 video compression reduces file size by re-encoding the video with efficient settings. This can lower storage use, improve website loading, make uploads faster, and help videos fit email or platform limits.

This tool uses FFmpeg with H.264 video encoding and AAC audio output. You can control the compression level, output resolution, audio bitrate, and whether the final video should keep or remove audio.

How It Works

Compress MP4 video files in three simple steps.

Upload MP4

Choose an MP4 video from your device and upload it to the compressor.

Pick Compression

Select compression level, resolution, audio bitrate, and mute option.

Download Video

The server compresses your video and gives you a smaller MP4 download file.

MP4 Video Compressor FAQs

Common questions about compressing MP4 video files online.

No. PHP alone cannot properly compress MP4 videos. This tool uses FFmpeg on the server.
Use Balanced for most videos, Better Quality for important videos, and Maximum Smaller Size when file size matters most.
Some quality loss can happen because compression reduces file size. Better Quality keeps more detail, while Maximum Smaller Size reduces more.
Compression can fail if FFmpeg is missing, exec() is disabled, libx264 is unavailable, the video is damaged, or server upload limits are too low.
No. This code automatically removes uploaded and compressed files older than one hour from the conversion folder.