Best Reviewed Fast YouTube to MP4 Converter:

1. SSYouTube

SSYouTube is a free YouTube video downloader that allows users a completely free and fast way to download YouTube videos into high quality MP4 format. Users can paste a YouTube URL and select an available video or audio format and download the files without installing desktop software. It supports resolutions extending from standard quality to HD, Full HD, 2K, and 4K on supported videos. SSYouTube also supports YouTube Shorts and playlists.

Features

• Supports multiple resolutions.

• Works through a web browser.

• Compatible with phones, tablets, Windows, and Mac.

• Supports formats such as MP4, WEBM, MP3, and 3GP.

2. YT1s

YT1s is a popular online YouTube downloader that lets you convert and download YouTube videos to MP4 files in 1080p, 2K and 4K high resolutions without any cost. It allows users to paste a YouTube URL or search using keywords, then choose a format such as MP4 or MP3 and download the files on the device at no limits. YT1s works without registration or software installation and supports computers and mobile devices. If you want unlimited videos and audio files, Yt1s is the best free YouTube video downloader tool. 

Features

• Supports multiple quality options ranging from 360p to 1080p and 4K.

• No registrations or apps required 

• Download YouTube to MP4, MP3, WEBM, M4A, and other formats in HD.

• Works on Windows, Mac, Linux, Android, and iPhone.

• 100% free and safe YouTube video download

3. YT5s

YT5s is free online YouTube downloader that supports both video and audio downloads. It supports multiple file format and quality options. YT5s offers MP4 video options alongside MP3, M4A, WEBM, and other formats, with quality options that can include HD and 4K. It is also designed to work across desktop and mobile devices without requiring additional software.

Features

• Browser-based processing without additional software.

• Supports multiple video resolutions.

• Convert YouTube videos to MP3 audio in 320kbps best quality.

• Supports formats such as MP4, MP3, M4A, WEBM, and 3GP.

• Works across smartphones, tablets, and desktop computers.