Private by design. Files stay on your device - no uploads, no accounts. How it works

Compress MP4 Video

Compress MP4, MOV, or AVI videos using quick presets. Choose a compression level and export a smaller MP4 for sharing or uploads.

or drop it here

Original Video

File name: {{ videoFile.name }}

File size: {{ inputSizeLabel }}

Choose a compression level to balance quality and size.

{{ option.label }}

{{ warningMessage }}

Time elapsed: {{ (elapsedTimeInSeconds / 1000).toFixed(2) }}s | Progress: {{ compressionProgressPercent.toFixed(0) }}%

Upload a video to compress

We'll show the compressed output and download here.

Your compressed video will be displayed here.

Unable to compress the file. Please check the input and try again.

Compressing video

Compression complete

Preview and export

Compressing with the {{ presetLabel }} preset.

Review the output size and download when ready.

Compressed Video

File name: {{ result.name }}

File size: {{ resultSizeLabel }} (saved {{ compressionRatio }}%)

Ready for download

How to compress MP4 videos

Upload your video

Select an MP4, MOV, or AVI file and choose a preset.

Download the compressed MP4

Export a smaller MP4 that is easier to upload or share.

Preset compression levels

Low, medium, and high presets make size control easy.

MP4 output

Download a smaller MP4 that plays on most devices.

Audio preserved

Keep audio in your compressed MP4 output.

Fast compression

Optimized settings balance quality and speed.

Mobile-friendly

Compress videos on desktop or mobile.

Browser-based processing

Files stay on your device while the compressor runs.

No installs needed

Run the compressor with no extra software.

Frequently Asked Questions

You can compress MP4, MOV, and AVI files and export an MP4.

Compression trades some quality for smaller size. Choose the preset that fits your needs.

No. Compression runs locally in your browser.

Need a hand with your file?

JPEGConvert.com keeps the workflow simple: upload, convert, and download. For the best results, start with the highest-quality source file you have.

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