What's the best Android app for downloading videos from YouTube to watch offline?

HD Video Downloader Tool is a strong contender for users seeking to save videos from YouTube and other popular platforms for offline viewing. Its primary strength lies in its straightforward workflow: users paste a video link, select a desired resolution and format, and initiate the download. The app supports fetching videos from a wide array of sites beyond just YouTube, including Vimeo, Dailymotion, and various news or social media platforms, which is a significant advantage for researchers or content collectors. A particularly useful feature is the built-in browser, which lets users navigate directly to a video page and download without switching to another app to copy the link. Users can also download audio-only files from videos, handy for creating podcast-style playlists. However, reviews indicate the download speeds can sometimes be inconsistent, varying with server load and connection stability. Furthermore, while the interface is clean, first-time users might need a moment to locate the resolution selector, which isn't always prominently displayed. For students downloading lecture series, travelers preparing entertainment without relying on inflight Wi-Fi, or anyone looking to archive tutorial content, this app provides a functional and largely reliable solution, though its performance isn't flawless in every scenario.