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Memory Restart 1.18 for Firefox

Stop Firefox’s memory leak from spiralling out of control with this handy add-on

by Nick Peers

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License: Open Source
Operating Systems: Linux, Mac OS X, Windows 10, Windows 7 (32 bit), Windows 7 (64 bit), Windows 8, Windows Server, Windows Vista (32 bit), Windows Vista (64 bit), Windows XP
Languages: English
Software Cost: Free
Date Updated: 06 July 2014
Watchlist: Add download to my watchlist
Downloads To Date: 4111
Developer: TeamEXtension
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Twitter Feed:!/TeamEXtension
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Memory Restart for Firefox
Tweak Memory Restart’s settings from its options dialog box.

One of the biggest problems with older versions of Firefox was its relatively sluggish performance, which allowed lightweight browsers like Google Chrome and Opera to steal browser share. Things have improved greatly with the current release (version 5 at time of writing), but there’s still one major glitch that hampers Firefox’s performance, particularly over an extended period of time.

That glitch is what’s known as a memory leak – over time, Firefox’s memory demands increase, hogging valuable system resources and resulting in system performance degrading over time. Plans are afoot to plug this leak in a future release, but for now it’s up to you to remember to periodically shut down and restart Firefox to free up memory and improve performance across the board.

Thankfully, this is where Memory Restart comes in. This tiny little add-on is designed to show you Firefox’s memory usage in the Add-ons bar at the bottom of the Firefox window – when it reaches a critical level the add-on will display memory in red as opposed to black, alerting you to either restart Firefox yourself or have the add-on do it for you, freeing up memory and preserving all your open tabs in the process.

On the surface it’s a no brainer – the add-on even allows you to set your chosen threshold at which the alert is triggered or Firefox restarts. In practice, however, it’s not always 100 per cent accurate, reporting the memory usage is lower than is reported elsewhere. One workaround is to set a lower memory threshold than you think you’ll need.

Mozilla is taking steps to finally resolve this memory leak problem, but until it does, Memory Restart offers a neat solution to the problem of Firefox’s memory demands getting out of hand.


If you regularly find your computer’s performance slowing down after Firefox has been open for a long time, this add-on could prove useful.

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Spotlight: Free Full Software

WhatsApp Messenger 2.16.11

Free Full Commercial Software

WhatsApp Messenger is the world's most popular instant messaging app for smartphones.

You can use it to send and receive text and voice messages, photos, videos, even call your friends in other countries, and because it uses your phone's internet connection it might not cost you anything at all (depending on whether you'll pay data charges).

It's easy to set up and use. There's no need to create and remember new account names or pins because it works with your phone number, and uses your regular address book to find and connect you with friends who use WhatsApp already.

You can talk one-to-one or in group chats, and because you're always logged in there's no way to miss messages. Even if your phone is turned off, WhatsApp will save your messages and display them as soon as you're back online.

There's plenty more (location sharing, contact exchange, message broadcasting) and the app is free for a year, currently $0.99/ year afterwards.

What's new in 2.16.11?

 - Due to a bug in iOS 10, your notification sounds may not properly play until you restart your iPhone (press and hold the power and home buttons for 10 seconds).
- In groups, you can now mention specific people to get their attention by typing the @ symbol and choosing someone from the picker. 
- When forwarding messages, you can now send to multiple chats at once 
- Ask Siri to send WhatsApp messages or place WhatsApp calls (iOS 10+) 
- Answer WhatsApp calls right from your lock screen, just like a standard phone call (iOS 10+) 
- A new Widget lets you quickly jump to a recent chat or see which chats have unread messages (iOS 10+)