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Compress any video file right in your browser. No upload to any server — your files stay private on your device.
Skip HandBrake. Drop your video in, pick a preset (Medium, Heavy, or the 25 MB Discord target), and hit the button. A 280 MB recording comes out at 62 MB — 78% smaller, no watermark, nothing to install.
Wolf is a browser-based video compressor built to shrink large video files without the HandBrake learning curve or the privacy trade-off of cloud tools like Clideo or Kapwing. It uses a professional-grade engine that runs locally in your browser — your video never uploads to a server, which matters for confidential footage, client work, or anyone who just wants to skip the wait.
The workflow is simple: drop a video in, pick a compression level (Medium cuts 50-70%, Heavy goes up to 90% smaller, Discord targets exactly 25MB), and hit the button. A typical 280MB screen recording comes out at around 62MB — 78% smaller with minimal quality loss.
Works with MP4, MOV, WebM, AVI, MKV, and most other common formats. Output is always MP4 for maximum compatibility across Discord, email, web uploads, and messaging apps.
Compress video files instantly — no upload to any server, no watermarks, no file size limits. Drop your video, choose a compression level, and download a smaller file in seconds. Perfect for Discord's 25MB limit, email attachments, or faster web uploads. Unlike online tools that upload your files to their servers, this compressor uses a professional-grade engine to process everything directly in your browser. Your videos never leave your device — completely private and secure.
Drop or select your video file, pick a compression level (Light, Medium, Heavy, or Discord 25MB), and click Compress. The smaller file downloads instantly. No account or signup required. Works with MP4, MOV, WebM, AVI, MKV, and most other video formats.
Yes. Unlike most online compressors such as Clideo, Kapwing, or HandBrake Online, this tool never uploads your video to any server. The compression runs entirely in your browser using a professional-grade video engine that runs locally. Your files never leave your device, making it safe for personal, business, or confidential videos.
No hard limit. Since processing happens in your browser, the limit depends on your device's available memory. Most modern computers and phones handle videos up to 500MB without issues. For very large files (1GB+), your browser may slow down during compression. The output is always MP4 for maximum compatibility.
It depends on the compression level and the original video. Light compression typically reduces file size by 30-50% with minimal visible quality loss — great for keeping high quality. Medium reduces by 50-70% with slight quality reduction. Heavy reduces by 70-90% and is ideal when file size matters more than quality. The Discord preset calculates the exact bitrate needed to fit under 25MB.
Yes. Use the Discord (25MB) preset to automatically target Discord's free upload limit. The tool calculates the optimal video bitrate based on your video's duration to keep the output under 25MB. For very long videos (over 10 minutes), the quality will be lower to meet the size target — consider trimming first with our Video Trimmer tool.
Last updated: April 18, 2026