Compress video files online with our free video compressor, reducing size by up to 90% without uploads, ensuring 100% privacy
VideoCompressor is a free, browser-based tool that compresses video files locally using GPU acceleration, reducing file size by up to 90% without uploading any data to servers.
VideoCompressor is a client-side video compression utility that runs entirely in your web browser using the WebCodecs API and your device's GPU. It accepts common formats (MP4, WebM, MOV, MKV, AVI, and 10+ more) and outputs an optimized MP4 with H.264 codec. The tool is built by the team at VideoCompressors.com and requires no downloads, sign-ups, or server uploads.
The tool is 100% free — no paid tiers, no watermarks, no sign-up required. Unlimited compressions.
Yes. Your video never leaves your device. All processing happens locally in your browser using the WebCodecs API — no upload to any server, so we cannot see, access, or store your files.
Input formats include MP4, WebM, MOV, MKV, AVI, WMV, FLV, and more. Output is always an MP4 with H.264 codec for best compatibility.
The file picker interface displays a “Max 2GB” limit, likely a practical browser memory constraint. The FAQ states there is no hard limit — your device’s available memory determines what you can process.
With GPU acceleration, a 5-minute 1080p video typically compresses in 30–60 seconds. Longer videos or older hardware may take longer.
No. The tool runs entirely in your browser — just open the website and start compressing. Works on Chrome, Safari, Firefox, and Edge on desktop and mobile.
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