Managing battery life on an Android device can be frustrating. Many applications run in the background and system processes suck a lot of power, even when the phone is idling. Android 4.0 Ice Cream Sandwich did a lot to improve the transparency of what apps are affecting performance and battery life, but there are still a few tricks to squeeze out a few more hours of battery life out of your Android phone.

Enter JuiceDefender.

This battery management application claims to save hours on your battery, but how exactly does it work? Does it actually work?

Setting a password on a .RAR file couldn't be easier, and it's a great way to keep almost any type of file safe from prying eyes. Here's how:

1. Open Winrar and browse to the files you want. If they're saved all over the place, it might be an idea to move them all to one folder, and compress that. Give the folder an informative name so you can easily identify it later.

If you’re a user of UC Browser 8, you might be wondering how to delete the history of the sites you’ve visited. This process has changed from version 7 of the popular Android web browser, so it might be confusing if you’ve just upgraded from the previous release. Actually, it’s very easy to remove your history in UC Browser.

Besides deleting your browsing history in UC Browser, you can remove cookies, clear form data, and wipe the cache (or a combination of all of these). Here’s how:

If you haven't claimed it yet, you can get 25GB of free SkyDrive cloud storage from Microsoft simply by logging into your Hotmail account.

As long as you've used SkyDrive at least once since you opened your Hotmail account, you should be entitled to a free upgrade.

Opera has various mobile browsers like Opera Mobile and Opera Mini for many different operating systems. Opera Mini Next is made to show upcoming ideas and changes that might be implemented into the official Opera Mini browser.

It's a nice preview of ideas that the development team have and gives you a chance to give feedback. Opera is opening to creating a community for their Opera Mini browser.

Here's how to download Opera Mini Next and take part of in the development of new features:

There are plenty of great video editing programs out there for Windows but none can match the price (free) and simplicity of Windows Live Movie Maker. Microsoft has maintained the intuitive timeline dragging, easy to use ribbon interface, and an abundance of good looking effects and animations. In today's How To, we will teach you how to add visual effects and animations in Windows Live Movie Maker.

Playing Minecraft with friends is great, but playing with people you don't know can ruin the fun. A solution is to create your own VPN server that only you and your friends can access. Theoretically, when creating a VPN network everyone will be able to play Minecraft in a server, hidden from the lurking eyes of other players.

The most common VPN software used is Hamachi. Hamachi is an easy to use VPN client that doesn't require a lot of work to install and setup, but everyone who is planning on joining your secret match will have to install Hamachi. Just think of it as a rotating server between your friends.

If you're not comfortable using Terminal and want to check if you're infected by the Flashback Trojan, a free simple app called Flashback Checker does it automatically for you. If you're worried you may have been one of the reported 600,000 Mac users affected by the Trojan, here are the Terminal free steps you need to put your mind at rest. Note that in the rare case that your Mac is infected, you can use the F-Secure Flashback Removal Tool to remove it automatically without needing to use Terminal either.

SpeedFan is a powerful and useful program, but its interface can be intimidating and confusing to use. In this post, we'll guide you through the basics of SpeedFan.

The first thing you want to do is see if your motherboard is compatible with SpeedFan's fan control feature. A master list of supported motherboards can be found here. If your motherboard isn't supported, you can still use SpeedFan as a monitoring or troubleshooting program.

Skype is a popular way to communicate with friends and family online across a variety of platforms.

Skype combines the best of text, audio and video chatting and can essentially turn your computer into a phone, without the expensive long distance rates or monthly minute restrictions. The best part is that instant messaging, audio and video chats are free when used between Skype accounts.

This beginners guide will walk you through installing Skype, as well as building your contacts list and other basic essentials to get yourself up and running. You'll be chatting in no time!

File hosting sites are convenient when you need to share files with others. But when you need to download multiple files from different file hosting sites, it takes a long time to separately access them.

jDownloader lets you add the URL to files so they can be downloaded without sitting and waiting. The program supports many of the most popular file hosting sites and is easy to use, but at first glance it does look a little overwhelming.

jDownloader is simple once you understand the basic functions.

Using jDownloader doesn’t require much technical knowledge. All you need is the URL of the link and jDownloader handles the rest.

Photofiltre is a free and easy-to-use alternative to professional image editing programs such as Photoshop.

If you’ve browsed the internet ats of late, you’ve probably seen what people refer to as "photoshopped" images, photos that have been digitally altered, either for humor or to enhance them in some way.

One image edit you might notice or want to learn how to do yourself is changing eye color in portraits. It might sound complicated, but with PhotoFiltre it’s a simple little edit you can make in a matter of minutes. I'll take you through the steps below.

Have you wondered how to get Android apps onto your Kindle Fire that are missing from the Amazon store?

The Kindle Fire is a great Android tablet. It’s a device for casual users who read e-books and buy content from Amazon. Kindle Fire's customized Android 2.3 operating system also allows you to have more options with apps and other content.

But the Kindle Fire doesn’t support the Google Play Store and you have to buy your apps from Amazon’s app store. A lot of popular apps aren't available on Amazon's store, like the official Facebook for Android app.

There also isn’t any native support for Google’s services like Google Play Music.  Amazon has locked access to the Google Play Store from the Kindle Fire forcing you to purchase apps from Amazon.

Here’s a simple work around:

1. Read more »

YouTube is the best source to get a wide variety video. From movie trailers, user video blogs, and viral video, you can spend hours moving from video to video.

There are times that you want to have a copy of a video with you when you're not connected to Wi-Fi or home internet and aTube Catcher is one of the simplest programs to download videos in a wide variety of formats.

Take a look at our video How to with aTube Catcher.

If you want to transfer a big file, over 4GB from a PC to a Mac, here's how to do it using a small USB pen drive. I'll show you how to break the files up into manageable file sizes, copy them to your drive, and then join them together again.

Using Hjsplit on PC and Split&Concat on Mac, you can transfer almost anything.