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This is the Bejeweled Blitz 3.0 (latest version) cheat. To begin, you need to be using Firefox as your web browser. Next, you will to install a Firefox Extension, which you can install by going here: thecybershadow.net Now, open up facebook and start a new game of Bejeweled Blitz. This extension enables some debug hotkeys which allow you to control the game and edit the game board: 1..7 turn gem under cursor into a gem of the respective color F turn gem under cursor into a flame gem S turn gem under cursor into a star gem R turn gem under cursor into a rainbow gem M turn gem under cursor into a score multiplier gem N turn gem under cursor into a normal gem Backspace removes gem under cursor Delete removes gem under cursor, but does not remove its sprite (causes glitches) B activates blazing speed mode (all matches trigger an explosion) F9 pause the game F9 (while paused) advance one frame Shift+F9 unpause game F1 show FPS and FPS history (debug information)

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As a web developer, you’re probably among the earliest adopters of new browser technologies. Google’s relatively new Chrome browser is one of those products that developers jumped all over as soon as it became available, but its initial lack of extensions was a dealbreaker for many.

Now extensions are supported in Chrome and some of the tools you’re accustomed to using in Firefox have become available, plus a few unique to Chrome. We’ve compiled a list of ten of the most useful Chrome extensions for web developers right here; if you use these extensions, you might even be able to make Chrome your main workhorse. Maybe!

Look at the list and give it a try — and if there are any great ones that we missed, be sure and share them with us and the other readers in the comments.

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1. Firebug Lite

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Arguably the most popular Firefox extension for web developers, Firebug lets you look at and edit the HTML, CSS and JavaScript of any page on the fly without leaving your browser. Firebug Lite is a scaled-down version of Firebug made for Chrome. You can inspect a page for errors then quickly edit to fix them.

Though Firebug Lite doesn’t have all the same features as Firebug, it has most of the essentials, and there’s a console interface for power users.

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2. IE Tab

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Microsoft’s Internet Explorer web browser is not at all popular with web developers, but it’s by far the most popular browser for the general population. With IE Tab you can open any website in a tab that’s actually running Internet Explorer instead of Chrome. You can make sure your website runs correctly for those millions of people who aren’t using Firefox, Safari, Chrome, or Opera.

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3. Eye Dropper

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With EyeDropper, you can find useful information on any color on a website you’re viewing in Chrome. Click the extension button and a color wheel interface drops down. From there, you can click the color picker button, then click anywhere on the site to see where the color for that pixel falls in the wheel, what its RGB levels are, and what its HTML color code is.

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4. Chrome SEO

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Tapping the Chrome SEO button after the extension has been installed will give you website information that’s important for search engine optimization. You can check backlinks, traffic measures like the Alexa Rank and Google PageRank, popularity on social bookmarking sites like Delicious, and more.

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5. Lorem Ipsum Generator

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The Lorem Ipsum Generator extension will generate filler text for your websites so you can make sure your formatting works well without wasting time typing several paragraphs of text. This extension is lightweight and minimalistic, so it’s easy to use and it won’t take up a lot of memory. That means it’s easy to pop in and out of as needed.

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6. Resolution Test

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Resolution Test’s purpose is right there in the name — it re-sizes the browser window to show what your website will look like at various popular screen resolutions. As a web developer, you probably have a very high-resolution display. Good for you! But most of the visitors to your site don’t; this extension will help you make sure the site’s formatting looks ok to them.

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7. Speed Tracer

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Speed Tracer uses the browser’s built-in metrics tools to record how much time your web application is spending on various tasks so you can find out what the hang-up is if your site is running slowly. It can tell you how much time the browser is spending interpreting layout, Javascript, and other details.

The only downside to this useful tool is that for it to work, you have to run the browser with the command line flag “–enable-extension-timeline-api.” But if you’re a developer, that’s probably not a big issue, right?

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8. MeasureIt!

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MeasureIt! is pretty straightforward — it gives you the dimensions (pixel width and height) of any element present in a website you’re looking at. Like a lot of the other extensions on this list, it was previously available for Firefox.

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9. Pendule

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Pendule pops up an easy-to-use, well-laid-out control panel full of miscellaneous tasks helpful to developers. Examples include reloading or disabling CSS, viewing JavaScript scripts, hiding images, a color picker, a display ruler, viewing source, and several script validators. It works well as your basic, catch-all web developer’s extension.

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10. BuiltWith

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BuiltWith gives you a profile of the website you’re hanging out at, including a list of all the technologies it can find there. It will tell you what widgets the site is using, which analytics tracker the webmaster is using, which frameworks are present, which advertising platforms are in use, and so on.

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Series supported by Rackspace

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Tags: development, extensions, Google, google chrome, rackspace, web development series

Firefox: If you’ve ever started up Firefox after a system crash and had it attempt to restore all the eleventy-billion tabs you had open, you know what a resource drain your tabs really are. BarTap helps alleviate the stress.

BarTap is a Firefox extension that keeps unfocused tabs from sponging up system resources. When BarTap is active you can specify that new tabs and restored tabs will not be loaded until they are actually clicked on, turning the tabs into placeholders for the pages you will be viewing and minimizing the amount of system resources devoted to them. You can specify one action for restored tabs and one for freshly opened tabs if you prefer that newly opened tabs always load immediately.

Tabs that are on your “tap” are grayed out until you click on them. Clicking on them causes the content to load at the time you access them (as oppose to the time they were created). BarTap is a clever way to have a lot of tabs open without them bloating up your memory use. BarTap is free and works wherever Firefox does. Have a favorite extension for enhancing tabbed browsing? Let’s hear about it in the comments.

Firefox: As you make the rounds commenting at your favorite blog or composing a lengthy email, avoid misspellings or a bad turn of phrase with After the Deadline’s excellent grammar and spellcheck Firefox extension.

This nifty little add-on hides in the background on Firefox until you’re ready to use it. The next time you visit a message board, fill out a web form, or leave on comment on your favorite web site, just hit F7 on your keyboard before you send your message into the intertubes. The extension checks for spelling and grammatical errors and underlines them in hard-to-miss bold colors.

Optional settings let you exclude words and phrases so you can still interact with your L33t friends without getting called out by spellchecker. You can also tell After the Deadline exactly what grammar and style rules you want proofread, including double negatives, passive voice, redundant phrases, and more. Right clicking the highlighted words calls up suggested words and grammatical corrections.

If you’re prone to forgetting to proofread comments before sending them, the plug-in will prompt you to do so, though you can disable the option if you find it gets annoying. After the Deadline will also skip proofing at whatever web sites you choose so you can comment in LOLspeak to your heart’s content.

After the Deadline’s Firefox extension is more robust than Firefox’s native spellchecker and customizable to boot, so it’s well worth downloading to have on hand. Even if you don’t usually worry much about your grammar and spelling in comments, it’ll be handy to have on hand the next time you write a five-paragraph impassioned plea on a message board on why Firefly should be resurrected.

Firefox: If you’ve ever been annoyed by having to do repetitive actions on a web site with no way to automate them, DéjàClick can help. Record and playback browser-based actions with DéjàClick and skip tedious future clicks.

DéjàClick is a Firefox extension offered by AlertSite a company that specializes in software designed to monitor web sites and alert the site owners if specified processes are not occurring properly—essentially using automated script “robots” to go test out things like the search function and the checkout process. DéjàClick is their free offering for non-commercial use to allow users to record their own browsing and play it back to automate processes later on.

Any time there is an instance where you have to actually interact with the browser—as oppose to using a bookmark to jump somewhere in a site or a login tool—you can use DéjàClick to record yourself performing the actions and store that recording as a script. Every time you visit that site or interface again you can execute that script and save yourself the hassle. Check out the company site here or visit the link below to grab the extension.

Firefox: Google offers a host of really awesome services, but more than a few people are freaked out by how much information Google can gather. GoogleSharing anonymizes your Google activities and keeps the big G out of your business.

GoogleSharing is a Firefox extension that routes all your Google interactions through proxy that taps into a swarm of Google identities—each query you perform through the main search engine, Google Books, or other Google services is sent through one of the random identities.

As you would expect, GoogleSharing doesn’t work for services you’re logged into—it would have no effect on your GMail session since you’ve willingly identified yourself to Google. For using Google services that don’t require a login however it performs as promised. GoogleSharing can also function as a proxy manager, allowing you to add additional non-GoogleSharing proxies to use during your browsing session. GoogleSharing is a free extension and works wherever Firefox does.

Have your own tips or tricks for anonymizing your web browsing? Let’s hear about it in the comments.

Windows/Mac/Linux: There’s actually nothing new for Windows and Mac users, but if you’re a Linux Firefox user who likes the cutting edge, or just like to be up-to-date, the second release candidate of Firefox 3.6 is available for download.

The main update, as the Firefox Extension Guru puts it, is a fix to a JavaScript bug in the Linux build of Firefox 3.6 release candidate, which is fixed in this second release. Otherwise, Windows and Mac users get a quick re-build of the web browser, along with some reassurance that Firefox 3.6 is moving along on schedule, due to officially release on January 26.

Like previous 3.6 releases, this build does include no-restart-needed Personas theme capabilities, add-on and plug-in security updates, improved rendering, JavaScript, and startup performance, and better support for the game-changing HTML5 specifications. If you’re using extensions that haven’t updated yet and you want to keep on-board, you can make them work with Firefox 3.6.

Firefox 3.6 Release Candidate 2 is a free download for Windows, Mac, and Linux systems.

Firefox only (Windows/Mac/Linux): If you’ve found yourself wanting for a clipboard manager you pack along with Firefox when you commute between work stations, Clipple extends clipboard functionality wherever you use Firefox.

While a system-wide clipboard manager might be ideal, if you do most of your work in Firefox and you take it with you everywhere you go on your flash drive it’s efficient to plug your clipboard manager right into Firefox.

By default Clipple extends the clipboard from 1 to 15 entries, you can increase the number of entries in the settings menu as well as limit text entries by maximum number of characters. You can also instruct Clipple to ignore text manipulated in password dialogue boxes and to save the clipboard bank between Firefox sessions. It’s worth noting that while the paste function of Clipple only works within Firefox it does capture text system wide—copy an entry in a .TXT list, for example, and it appears on the Clipple clipboard.

If you’re looking for a clipboard manager with more features, check out the Hive Five on the topic—and definitely check out the winning entry Ditto, a portable Windows clipboard manager with hot key support. You might also want to check out how to unify your clipboard across computers and our favorite clipboard tricks.

Clipple is freeware and works wherever Firefox does. Have a handy Firefox extension you’re dying to share? Let’s hear about it in the comments.

This year’s release of Firefox 3.5 gave us a lot of reasons to like it, but its extensibility remains everyone’s favorite feature. These add-ons and theme tools were the most popular in the year gone by.

This list is culled from a straight listing of the most popular posts that offered a Firefox extension for download in 2009. We’re not including posts about configuring Firefox, or even our own hand-rolled Firefox add-on packs—even if they were pretty popular, too. Let’s get to the good stuff.

Firefox 3.7 Theme Makes Your Browser Look Awesome

One of the greatest things about Firefox is that its development happens way out wide in the open. When the design workers start coming up with preliminary sketches of a new release, anyone can peek at them and even compile them into a theme, which does just what the headline suggests.

All-Glass Firefox Enables Slick Transparency Effects

Windows Vista and 7 feature some fairly nice looking transparency effects, but if your primary browser doesn’t use them, it can feel a bit disconnected. All-Glass Firefox v2 tweaks your browser to look just, well, proper in its fancy-pants surroundings.

“Vacuum Places Improved” Speeds Up Firefox with a Click of Your Mouse

You can speed up Firefox by cleaning up its fragmented database, and the Vacuum Places Improved 0.3 extension automates that admittedly pain-in-the-butt process.

Gmail Redesigned 3.0 Focuses on Speed and Message Space

Google Redesigned, a multi-site suite that trades Google’s blue/white/minimal look for a darker, sleeker feel, kept improving its transformative powers this year, adding a host of improvements in its 3.0 release, and later releasing a new version with GReader Redesigned for the RSS hounds.

Dislike 0.2 Adds a Disapproving Dislike Button to Facebook

“I’m having SUCH a bad day—the cleaning lady TOTALLY left her Pine Sol smell all over my bed linens!” That, my friends, is why clever JavaScript tweakers created the Dislike extension.

TinEye Adds Reverse Image Lookup to Firefox

Many of the pictures and illustrations you find across the web aren’t in their original form—and many can be had at better, perhaps more wallpaper-worthy sizes. The TinEye extension makes it a simple right-click maneuver to search out similar copies of any image you come across.

SkipScreen Lets You Pass Go and Collect Your Download

Sometimes, great stuff has to be hosted on public download services, because the file—or the attention it’s getting—is just too much for our meek little personal sites. And the download sites often make it as painful as possible to grab those files. SkipScreen acts as an automated intermediary, jumping through the necessary hoops and entering the key presses required.

FireFound Tracks Your Stolen Computer, Nukes Your Personal Data

This neat little extension, winner of the Extend Firefox 3.5 contest, utilizes lots of Firefox’s built-in features, like geo-location and the extension framework, to offer wary laptop users a way to nuke their personal data, passwords, and history if necessary, track where their machine is logging on after a theft, and cull all kinds of data from the thief. FireFound is, in other words, a smart thing to install if your laptop ever leaves the home.

Gui:config Gives Easy Access to Hidden Firefox Settings

A lot of helpful stuff is tucked away in Firefox’s about:config menus. Gui:config brings them into focus and offers a graphical way to manage them. As the How-To Geek puts it, it’s amazing that this isn’t something being considered for mainstream distribution in the browser.

Memory Fox Manages Firefox’s Memory Use, Aims to Keep It Low

(Windows only): Firefox is decently light with memory on startup, but extensions and plug-ins drag it down as you actually use it. Memory Fox monitors Firefox’s memory use and, once it reaches your pre-set limit, whips it back into shape.

Daum Blue Firefox Theme is Clean, Simple, and Elegant

(Windows only): Well, the headline and picture kind of say it all about Daum Blue, but it’s worth noting that beyond looks, it’s also fairly customizable, and looks even better on Vista and Windows 7 systems.

Decreased Productivity Helps You Browse at Work Without Getting Busted

Sure, kind of anathema for this site’s stated mission, but giving your mind a break at work has real mental benefits, even if your boss doesn’t think so.

UrlbarExt Adds Super Powers to the Awesome Bar

If you’re likely to do more at a web site than just simply bookmark it, UrlbarExt is like a Leatherman for your AwesomeBar. Head to a site’s root, search the site on Google, and do much more from a small array of address bar buttons.

Foxmarks Becomes Xmarks, Adds Search and Suggestion Features

Another headline that pretty much says it all. We weren’t a big fan of Xmarks‘ new “discovery” features, but its growing reach into Chrome and other browsers make the former Foxmarks’ expansion a good thing.

Magnetiser Downloads Torrents When No Torrent File Is Available

Given the recent legal crackdown on BitTorrent-centered sites, magnet links (explained here) are increasingly popular. Magnetiser makes it easy to track down a working torrent link to grab the file you’re looking for.

Integrated Gmail Updates with Improved Looks and Handy Features

It must be mentioned that, beyond smooshing together Gmail, Google Calendar, and Google Reader into one neatly-arranged Gmail page, Integrated Gmail also customizes every niggling detail of those combined apps, making it worth the try-out, even if you think you like your Google spaces separated into different tabs.

Omnibar Extension Collapses Firefox’s Address and Search Boxes into One

Omnibar is one of the clever ways Firefox can make itself into a Google Chrome clone, and we love that kind of openness ’round here.

Invisible Hand Subtly Shows Best Web Prices

If you’re always looking at online purchases and wondering if you could save more before pulling the trigger, Invisible Hand affirms your hunches for you, dropping down and showing lower prices wherever it can find them.

Ubiquity Sees Major Update, New Look, Better Performance

Mozilla’s future-facing automation and shortcut engine, Ubiquity, continued to get awesome-r in 2009.

App Tabs Creates Permanent, Icon-Only Tabs, Firefox 4.0-Style

We dug the idea of permanent, favicon-only tabs when a helpful reader explained it to us, but the App Tabs extension took a multi-step process and made it far more simple.

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Not seeing your favorite add-on released in 2009 here, or covered anywhere at Lifehacker? Can’t believe your favorite app doesn’t get more attention? Let’s hear all about it in the comments.

Firefox: If the holiday season’s got you in a giving spirit, Browse for a Cause might be just the right download for you. Install the extension, pick a charity, and the service donates a percentage of your online purchases to that charity.

The extension works by snagging a cut of your purchases using online retailer affiliate programs—Browse for a Cause automatically inserts itself as your referral to sites like Amazon, and then they ensure that all the affiliate money made from your purchases goes straight to the charity you chose. It’s an extremely clever idea for supporting a charity you love without putting a dent in your pocketbook during an economic downturn.

Browse for a Cause is a free Firefox extension with Chrome support on the way.