Video Compressor

Reduce video file size directly in your browser. Choose quality, target size, resolution, frame rate and audio with no upload.

No upload

Stays on your deviceYour videos never leave your device.

Selected videos

Reduce video file size directly in your browser. No file is uploaded.

No video selected yet.

Compression

The actual size may differ.

Method

Quality preset

Output format

Maximum resolution

Frame rate

Audio

Advanced

Compress a time range onlyKeep title and creation date

Compression plan

No video selected yet.

Compress videos0%

How it works

Step by step

1
Add videos
Choose MP4, MOV, M4V, WebM or MKV files. They are analyzed locally only.
2
Choose compression
Choose quality, target size or custom bitrate and adjust format, resolution, frame rate and audio.
3
Compress locally
The worker re-encodes the video and makes the validated result available for download.

Features

Entirely local

Videos, settings and results are processed only on your device.

Quality or target size

Choose a clear quality preset, an approximate target size, or a custom video bitrate.

Resolution and frame rate

Reduce 4K, limit frame rate and keep the aspect ratio without upscaling.

Frequently asked questions

Are my videos uploaded?

No. Analysis, compression, preview and download run locally in the browser.

Is video compression lossless?

A meaningful size reduction is usually lossy because the video is re-encoded.

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MP4 to MP3 Converter

Extract the audio track from MP4 videos and save it as MP3 - entirely in your browser.