Compress MP4, WebM, and MOV videos with quality presets or custom bitrate and resolution settings. 100% free, no signup, all processing happens in your browser.
Video Compressor
Load the video engine to start compressing video files in your browser.
Compress MP4, WebM, and MOV video files
Quality presets: High, Medium, Low, or Custom
Custom bitrate slider and resolution selector
Video preview with file size, duration, and resolution
100% client-side processing with FFmpeg WebAssembly
Download compressed video instantly
Reduce video file size to fit within email attachment limits or share on WhatsApp, Telegram, and other messaging apps.
Compress videos before uploading to social media platforms to speed up the upload process and meet file size restrictions.
Optimize video files for web pages and mobile apps. Smaller videos mean faster page loads and better user experience.
Free up disk space by compressing your video library. Reduce large recordings while keeping acceptable visual quality.
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The fastest, most private way to compress video files online. Your files never leave your device.
Reduce video file sizes by 30-80% depending on the source quality and compression settings.
Video files never leave your device. All compression happens locally in your browser using WebAssembly.
Choose from quality presets or set custom bitrate and resolution for precise control over output.
Works directly in your browser. No software to download or install. Just load the engine and start compressing.
Once the video engine loads, compress files without an internet connection.
Download compressed video files immediately after processing. No waiting, no email required.
Video files are among the largest files on most devices. A single minute of 1080p video can exceed 100 MB. Compression reduces file size while preserving visual quality, making videos easier to share, upload, and store.
Unlike cloud-based video compressors that upload your files to remote servers, our tool processes everything locally in your browser using FFmpeg compiled to WebAssembly. Your video files never leave your device.
CRF (Constant Rate Factor) controls the quality-to-size tradeoff. Lower CRF values mean higher quality and larger files. Our presets use CRF 23 (High), CRF 28 (Medium), and CRF 35 (Low) to cover common use cases.
MP4 (H.264) is the most widely supported format, compatible with virtually all devices and platforms. WebM (VP8) is an open format preferred for web use. Choose MP4 for maximum compatibility or WebM for open-source workflows.