When it comes to videos, the internet is like Scrooge McDuck’s vault: Full of endless riches to swim through. But with streaming video, no internet connection means being stuck with whatever’s on your hard drive.

Movie Sherlock offers a way to get videos straight from streaming sites straight to your personal drive. That can be pretty handy, especially for air travel or visits to places with poor connectivity. And right now, you can get MovieSherlock Pro for $15 at Cult of Mac Deals.

With this app, it’s quite easy to download video from thousands of streaming sites. Movie Sherlock download at 15 times normal speed and can handle multiple videos at once, meaning the wait is usually short. It converts videos to MP4 and MP3 formats, with the option to retain original format, high definition up to 1080P, and subtitles (for videos from YouTube and DailyMotion). Plus, it integrates with iTunes for quick syncing to iPhone, iPad, iPod, and more.

Buy now: Get MovieSherlock Pro for $15, that’s a whopping 62 percent off the usual price.