Currently, handling one link at a time can be tedious for large projects.
At first glance, Fuukmp4 (or its related desktop/web iterations) focuses on a "no-frills" experience. The interface is clean, avoiding the aggressive pop-ups and intrusive ads that often plague free video conversion tools.
For many users, the biggest concern with tools like Fuukmp4 is security. While the site feels safer than most "YouTube-to-MP4" clones, I still recommend using a solid Ad-Blocker or a reputable VPN as a standard precaution when using any third-party media downloader.
In my tests, a standard 10-minute HD video converted in under 60 seconds. The compression algorithm seems efficient, maintaining visual clarity without ballooning the file size.