Video Compressor - Reduce Size

Shrink Video Files in Your Browser

The Video Compressor reduces your video file size with adjustable quality settings. Drag and drop a video (or click Choose File). MP4, MOV, WebM and MKV all work. Select High, Medium or Low compression, press Compress Video, and download the smaller file.

Three quality levels use H.264 re-encoding to significantly reduce file size while keeping the video watchable. Everything happens locally in your browser using open source FFmpeg.wasm technology. Free forever, with no signup and no watermark.

How to Use the Video Compressor

Three steps to a smaller video.

1. Choose your video: Drag and drop your file onto the tool, or click Choose File. MP4, MOV, WebM and MKV work.
2. Select compression quality: Pick High, Medium or Low.
3. Press Compress Video: Download your compressed video when ready.

Which Quality to Choose

• High: Smallest quality loss. Best for videos you will edit or rewatch.
• Medium: A balanced middle ground. Best for everyday sharing.
• Low: Maximum size reduction. Best for quick uploads and messaging apps.

Key Features

• Three quality levels: High, Medium and Low using H.264.
• Big size savings: Dramatically smaller files that stay watchable.
• Four input formats: MP4, MOV, WebM and MKV.
• 100 percent private: Files are processed locally in your browser.
• Free forever: No signup, no watermark, no hidden costs.

Frequently Asked Questions (FAQ)

Is the Video Compressor free? Yes. It is completely free with no signup and no watermark.

How much smaller will my video get? Medium quality typically reduces file size by 50 to 70 percent. Low can achieve 80 percent plus reduction. Results vary by content.

Will compression reduce quality? Some quality loss is inevitable when reducing file size. High preserves the most detail; Low prioritizes smallest size.

How long does compression take? Compression re-encodes your video and may take several minutes for larger files. Keep the tab open during processing.

Is there a file size limit? Yes. 100 MB on desktop and 50 MB on mobile (re-encoding is slow, so limits are conservative).

Is my video uploaded anywhere? No. Everything happens in your browser.

More Video Tools

Resize videos with the Change Video Resolution tool, shift subtitles with the Subtitle Shifter, and explore the video tools.