4k Video Downloader Alternatives for Mac OS X

JDownloader is a free, open-source download manager with advanced features to simplify and accelerate the process of downloading files from the internet. It supports a wide range of hosting sites, automates captcha solving, extracts archives, and manages large download lists efficiently. It's designed to make downloading from various sources straightforward and reliable.

Video DownloadHelper is a powerful browser extension for Firefox, Chrome, Edge, and Opera, enabling users to easily download videos and audio from a wide range of websites. It supports various formats and includes features like playlist downloading and media conversion.

youtube-dl is a versatile command-line program designed for downloading videos from YouTube and a multitude of other video hosting websites. It supports downloading individual videos, entire playlists, and even extracting audio.

ClipGrab is a versatile and free tool for downloading videos from popular online platforms like YouTube, Vimeo, and Dailymotion. It supports various video formats, resolutions, and also allows converting videos to audio files, making it a comprehensive solution for offline media access.

A feature-rich browser extension for Firefox that allows users to effortlessly download YouTube videos and convert them to various audio and video formats, including MP3 and MP4. It's an open-source solution designed for simplicity and efficiency in media acquisition.

TubeMaster++ is a network-based multimedia downloader capable of capturing FLV, MP4, and MP3 files from various online sources. It includes an integrated search, video conversion tools, and browser extensions for streamlined downloading.

Ant Video Downloader is a versatile browser extension designed to easily download videos from numerous online platforms, including popular sites like YouTube, Vimeo, and Dailymotion. It integrates seamlessly with major browsers such as Firefox, Chrome, Edge, and Internet Explorer, providing a convenient one-click solution for saving your favorite online videos for offline viewing.

Airy YouTube Downloader is a dedicated application designed for effortless downloading of YouTube videos on both Mac and Windows platforms. It supports various formats and resolutions, making it a versatile tool for offline media consumption and conversion.

xVideoServiceThief is a discontinued, multi-language application designed for downloading videos from various online platforms. It includes built-in search, video conversion capabilities, and allows converting videos directly to MP3 format.

FLVto is an online service providing users with the ability to download videos from popular platforms like YouTube, Facebook, and Dailymotion, primarily converting them to the MP3 audio format for easy listening offline. It aims to simplify the process of obtaining audio from online video content.