Compress WebM Videos

Optimize your WebM video files for faster web streaming and embedding. Reduce file sizes while maintaining VP9 video quality for modern browsers.

📦

Drop your file here

or click to browse

Max 10 files, 50MB each

WEBM → Compressed

Why Compress WebM Videos

WebM is the preferred video format for web embedding, used widely on HTML5 video players, web applications, and video-sharing platforms. However, WebM files exported with default settings can be larger than necessary for smooth web delivery.

Our WebM compressor re-encodes your videos using VP9 with optimized CRF settings, achieving significant size reduction while maintaining the quality that WebM is known for. The result is smoother streaming with less buffering.

Smaller WebM files mean faster page loads, lower bandwidth costs for your server, and a better viewing experience for users worldwide—especially those on mobile or slower connections.

How to Compress WebM Videos

  1. 1

    Upload your WebM video by dragging it into the compressor or clicking to browse.

  2. 2

    Select your compression level to balance between file size and video quality.

  3. 3

    Monitor the compression progress in real time as our server processes your video.

  4. 4

    Download the optimized WebM file, ready for web embedding or streaming.

Key Features

  • VP9 optimized encoding
  • Reduce WebM file size significantly
  • Perfect for web embedding
  • Three quality presets
  • Real-time progress tracking
  • No registration needed
  • Works on all devices

Frequently Asked Questions

What codec does the WebM compressor use? ▼

We use VP9 for video and Vorbis for audio, which are the standard codecs for the WebM container. VP9 provides excellent compression efficiency for web video.

Is WebM supported in all browsers? ▼

WebM is supported in Chrome, Firefox, Edge, and Opera. Safari added WebM support starting in version 14.1 (macOS Big Sur). It covers the vast majority of web users.

How much compression can I expect? ▼

Typical WebM compression achieves 30-60% file size reduction depending on the original encoding settings and content complexity. Videos with static scenes compress better than fast-action footage.

Will compression affect video resolution? ▼

No. The video resolution stays the same. Our compressor optimizes encoding parameters without changing the frame size, so your 1080p video remains 1080p.

Can I use compressed WebM for HTML5 video? ▼

Absolutely. The compressed WebM file is fully compatible with HTML5 <video> tags and all standard web video players. It's ideal for web embedding.