Compress Video Online

Shrink a video to send it in a messenger, attach to an email or upload faster — pick a compression level and get a smaller file in seconds.

Video
Add video or drag it here · MP4, WebM, MOV, MKV, AVI Up to 200 MB and 5 minutes · with Prime up to 1 GB and 20 minutes and batch of 10 files
Compression level
Resolution

Up to 15 seconds — 2 energy, up to 5 minutes — 3, longer — 5. The result is saved to your archive.

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Free Video Compressor: Reduce MP4 File Size Without Losing Quality

Compress video online for free: shrink MP4, MOV or WebM files for email, Discord and messengers. Pick a compression level — no watermarks, no signup.

What the Online Video Compressor Can Do

  • Three compression levels — light, medium and strong — from a barely noticeable change to the smallest possible file
  • Smart H.264 encoding — quality-based rate control spends bits where the eye actually looks, so you reduce video file size without obvious artifacts
  • Every common format — compress MP4, MOV, WebM, MKV or AVI — the result is always a universal MP4 that plays anywhere
  • Runs on our servers — your laptop or phone does nothing but upload; compressing a large video does not drain the battery
  • No watermarks, no signup — the compressed video is clean, and the file is saved to your archive so you can download it again later

How to Compress a Video Online

  1. Upload your video or paste a direct link to it.
  2. Or pick a clip from your own Homiwork generations.
  3. Choose the compression level — medium is the best balance for messengers and email.
  4. Press “Compress video”, compare the before and after size, and download the smaller MP4.

When You Need to Reduce Video File Size

  • Compress video for email — most mail providers reject attachments over 20–25 MB, and a single phone clip easily passes that
  • Compress video for Discord — the free upload limit is small, so a raw screen recording almost always has to be shrunk first
  • Compress video for WhatsApp and Telegram — a lighter file sends faster on mobile data and skips the messenger's own aggressive re-encoding
  • Faster uploads to Instagram or YouTube — a video half the size uploads in half the time on a slow connection
  • Saving storage — long screen recordings and 4K phone footage eat disk and cloud space — a compressed copy keeps the archive small

How Video Compression Works

Compressing a video means re-encoding it with a higher quality factor (CRF): the encoder deliberately spends fewer bits on details the eye barely registers, so the picture stays close to the original while the file gets far lighter. Light compression usually cuts a third off the size with no visible change. Medium roughly halves it and is the sweet spot for email attachments and messengers. Strong compression also drops the resolution to 720p and can make the file several times smaller — useful for long recordings, weak connections and strict upload limits. Audio is kept and re-encoded at a compact bitrate. Screen recordings, slideshows and static scenes shrink the most, because neighbouring frames barely differ; fast action and heavy grain compress less.

Frequently Asked Questions

Is this video compressor free?

Yes. There is no registration — new users get starter energy points, and one compression costs 2–5 points depending on the length of the video.

How much smaller will my video get?

Typically 30–70% smaller, depending on the level you pick and on the source: screen recordings and static shots compress far better than fast action footage.

Will the quality drop be visible?

On the light and medium levels the difference is hard to spot even side by side. Strong compression trades some sharpness and resolution for the smallest possible file.

Can I compress MP4, MOV and WebM files?

Yes. MP4, MOV, WebM, MKV and AVI are all accepted, and the compressed result is always an MP4 that opens on any phone, TV or computer.

What is the maximum video size I can compress?

Up to 200 MB and 5 minutes by default, and up to 1 GB and 20 minutes with Prime. Everything is processed on our servers, so a large video does not load your device.

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