Video Compressor

Reduce video file size online while keeping it clear. Choose resolution, quality and format, all inside your browser.

Free Video Compressor

Upload Video

Upload Video

Drag & drop a video here or select a file from your device.

Supported: MP4, WebM, MOV and other formats your browser can play

Online Video Compressor

This online video compressor reduces the file size of MP4, WebM and MOV videos directly in your browser. Pick a compression level, lower the resolution or frame rate, fine-tune the video bitrate, trim the clip, and download a smaller video you can share, upload or store.

Use it to shrink videos for email, WhatsApp, Discord, Telegram, websites and cloud storage. It also works as a video size reducer, video resolution changer and audio remover, and your video is never uploaded to a server, so it stays private.

How to Compress a Video

  1. 1

    Upload Your Video

    Select an MP4, WebM or MOV file, or drag and drop it into the upload area.

  2. 2

    Choose Compression Settings

    Pick a compression level, resolution, frame rate and audio option. The estimated file size updates as you change settings.

  3. 3

    Compress and Download

    Select Compress Video, wait for it to finish, check the preview and the saved size, then download the compressed video.

Video Compression Uses

Large videos are hard to send and slow to upload. Compressing a phone recording to 720p or 480p can cut its size dramatically while still looking good on a phone or laptop screen. Lowering the frame rate or removing the audio track saves even more space.

Because compression runs in your browser using the video's normal playback speed, a 2 minute video takes about 2 minutes to compress. Output is MP4 or WebM depending on what your browser supports, and MP4 is the best choice when it is offered. WebM files made in a browser may not show their total length in some players; they still play normally.

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Frequently Asked Questions

What is a video compressor?

A video compressor reduces the file size of a video by lowering its resolution, frame rate or bitrate. This free online video compressor does it directly in your browser.

How do I compress a video online?

Upload your video, choose a compression level and resolution, select Compress Video, then download the smaller file. Everything runs in your browser.

Is my video uploaded to a server?

No. The video is processed locally on your device using your browser, so it is never uploaded anywhere.

Which video formats are supported?

You can upload MP4, WebM, MOV and other formats that your browser can play. The compressed video is saved as MP4 or WebM depending on browser support.

Why does compression take as long as the video?

The video is re-encoded in real time inside your browser. A 1 minute video takes about 1 minute. Keep the tab open and visible until it finishes.

How can I make the file even smaller?

Choose Small file or Extreme, pick a lower resolution such as 480p, reduce the frame rate to 24 or 15 FPS, lower the bitrate, or remove the audio.

Can I trim the video while compressing?

Yes. Set a trim start and end time in seconds and only that part of the video will be compressed.

Will compression reduce video quality?

Smaller files always trade some quality. The Recommended level keeps good quality for most videos, and High quality keeps more detail with a larger file.

Is this video compressor free?

Yes. Working Tools Box provides this video compressor free of charge, with no sign-up and no watermark.