Classverse

Video compressor

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Video No file yet
CompressingKeep this tab open
Settings
Size
Quality
Estimated file None Choose a video to see the new size
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Make a video small enough to share

This video compressor shrinks a video file so it fits the upload limit on your LMS, email or class chat. Pick a size and quality, see the estimated file size, and compress. Everything happens in your browser, so the video never leaves your device.

How it works

How to compress a video

  1. 1
    Choose your videoDrop in an MP4, MOV or WebM file, such as a phone video or a lesson recording.
  2. 2
    Pick a size and quality720p and Balanced suit most lessons. Use 480p and Smallest for email and chat apps.
  3. 3
    Compress and downloadThe video plays through once while it compresses. Then check the preview and download it.
In the classroom

When teachers compress video

Most upload limits are well below the size of a phone video or a full lesson recording.

LMS uploadsFit lesson recordings under the file limit in Google Classroom, Canvas or Moodle.
Email to parentsSend a class performance or project video that fits in an email.
Student submissionsHelp students shrink video assignments before they hand them in.
Phones and slow Wi-FiSmaller files load faster for students watching on data or weak Wi-Fi.
FAQ

Frequently asked questions

Is the video compressor free?+

Yes. It is free with no account, no watermark and no file size limit.

Is my video uploaded?+

No. The video is compressed in your browser and saved to your device. Nothing is sent to our servers.

How long does it take?+

About as long as the video itself, since it plays through once while compressing. Keep the tab open until it finishes.

Which settings should I use?+

720p with Balanced quality works for most lesson videos. Choose 480p and Smallest to get under tight email or chat limits.

What format do I get?+

MP4 in most browsers, or WebM where MP4 is not available.

Why is my file not smaller?+

Some videos are already well compressed. Choose a smaller size or the Smallest quality to save more space.