Netflix has tons of great content, but it can be hard to find it all if you don't know what you're looking for. The site's algorithms show you what it thinks you want to watch, but these codes can help you venture outside the suggested depths.

YouTube's playlist features are pretty neat. However, having them tied to accounts can be a drag when you just want to share a few videos. With this URL trick, you can string a few videos together, no account required.

Want to quickly edit an image and upload it to Imgur, or download a video and save it as an MP3 file? This URL trick unlocks tools to perform these and other tricks with online images, YouTube videos and Reddit URLs.

Web: Generally, web-based bookmark services require an extension or bookmarklet to save web pages. But how do you save something without those -- say if you're not using your own computer? Saved.io is perhaps the simplest tool for that.

Do you need to quickly create a QR code? We've shown you how you can use goo.gl to make QR codes in a jiffy, but Make Tech Easier's trick is the fastest method we've seen yet.

YouTube is already one of the best video services online and there are plenty of tricks to make it work for you. Some of the best ones can be done purely from the URL bar.

Want to make your YouTube videos look as if they're being played on a non-too-healthy VHS machine? A simple URL hack can make it happen.

Google heavily promotes the WebP image format as a means of shrinking online image sizes, but not all graphics programs can easily create it. If you need a WebP image, you can easily create one online using a Google URL hack.

You can store photos and other images on Google Drive, but Google doesn't offer an easy option for embedding that image on another web page (as it does for videos or PDF files). Google Operating System outlines a URL hack which allows you to include pictures stored on Google Drive in other pages.

We've talked about URL shrinking, web page remixing using custom CSS, and social link sharing before, but free webapp Bo.lt offers all three services in one convenient package. Use it to make custom landing pages, creative wish lists, or just share and comment on nyan cat pics with your friends.

Chrome: If you have a few sites that you visit particularly often but you want them to open up in a new tab every time you visit them, reader Java-Princess shows us how to make them do so.

We were pretty stoked when Google debuted its multiple account sign-in feature, and reader Sam has discovered a way to switch between accounts faster using a small URL tweak.

While Dropbox public links are very useful for sharing files with your friends, a lot of files (text files, MP3s, PDFs and others) will automatically open up in their browser. Here's how to get them to download to their hard drive instead.

If you're not happy with the new Google Image search and would prefer to stick with the old search as your default, Lifehacker reader The_Doc offers this simple URL tweak.

There are loads of extensions and bookmarklets that create shortened links from long URLs, but the bit.ly and j.mp services don't need them. Add them with a slash before the URL in your address bar, and you're good to go.

Chrome: If you prefer to see the site you're clicking through to before clicking on a shrunken URL, View Thru displays the source URL as a mouse-over pop-up display.

Google's official URL-shortening service, Goo.gl, just added a very cool trick to its shortening arsenal: Quick QR-code creation with a simple URL tweak.

You've found a great set of bloopers and want to download them for future screenings. If you change the "Y" in the youtube.com address to "3," 3outube provides links for downloading that video in MP4 or FLV formats.

If you like the idea of a URL shortener powered by Google but you're not really sold on the idea of having to install the Google toolbar to get access to it, the Goo.gl Bookmarklet takes care of that problem.