Download Firefox 4

With dramatic speed and performance advancements across the board, Firefox 4 is fastest browser between two and six times faster than previous releases. Major enhancements to the JavaScript engine make everything from startup time to page load speed to graphics and JavaScript performance screaming fast in Firefox.

The latest version of Firefox introduces a sleek new look that lets Web content take center stage. With features like App Tabs and Panorama, Firefox makes it easier and more efficient to navigate the Web. Firefox delivers industry-leading privacy and security features like Do Not Track and Content Security Policy to give users control over their personal data and protect them online.

Firefox Sync gives users access to their Awesome Bar history, bookmarks, open tabs and passwords across computers and mobile devices. Firefox also offers hundreds of thousands of add-ons, extensions and Personas and a new Firefox Add-ons Manager to make it easy for users to manage and discover add-ons to customize their Web experience.

Firefox supports modern Web technologies, including HTML5. These technologies are the foundation for building amazing websites and Web applications.

Key Features in Firefox 4:

Fastest Firefox Ever

• Performance: Firefox is up to six times faster than the previous release. With improved start-up and page load times, speedy Web app performance and hardware accelerated graphics, Firefox is optimized for rich, interactive websites.

Streamlined Interface

• App Tabs: give a permanent home to frequently visited sites like Web mail, Twitter, Pandora, Flickr.
• Switch to Tab: easily find and switch to any open tab from your Awesome Bar without opening duplicate tabs.
• Panorama: drag and drop tabs into manageable groups to save time while navigating many open tabs.

Private and Secure Synchronization

• Firefox Sync: access your Awesome Bar history, bookmarks, open tabs, passwords and form data across multiple computers and mobile devices.

Most Customizable

• New Add-ons Manager: easily discover and install more than 200,000 add-ons to customize the features, functionality and look of Firefox.

Private and Secure

• Do Not Track: Firefox is leading the Web towards a universal standard Do Not Track feature that allows users to opt-out of tracking used for behavioral advertising.
• Firefox puts privacy first, fixing flaws in some Web standards to prevent others from accessing your browser history.
• HTTP Strict Transport Security (HSTS): automatically establishes secure connections to stop “man in the middle” attacks and keep sensitive data safe from interception during the log-in process.
• Content Security Policy (CSP): prevent cross-scripting attacks by allowing sites to explicitly tell the browser which content is legitimate.

Cutting Edge Tools for Web Developers:

• The JavaScript engine incorporates the new JägerMonkey JIT compiler, along with enhancements to the existing TraceMonkey JIT and SpiderMonkey’s interpreter for faster page-load speed and better performance of Web apps and games.
• HTML5 support in Firefox includes hardware accelerated, high-definition video (WebM), 3D graphics, offline data storage, professional typography, touchscreen interfaces and the Mozilla Audio API to help create visual experiences for sound and more.
• Firefox 4 also improves existing tools like CSS, Canvas and SVG to enable developers to make exciting Web pages.
• Firefox provides uninterrupted browsing when there is a crash in the Adobe Flash, Apple QuickTime or Microsoft Silverlight plugins. If one of these plugins crashes or freezes, it won’t affect the rest of Firefox. Simply reload the page to restart the plugin.

Download Firefox 4 Now

Download Firefox 3.6

Firefox 3.6 is more than 20 percent faster than Firefox 3.5 and includes extensive under the hood work to improve performance for everyday Web tasks such as email, uploading photos, social networking, and more. It also delivers new features like customizable browser themes called Personas, a ground-breaking Plugin updater, improved JavaScript performance, and enhancements to familiar favorites like the Awesome Bar for a better, more personal Web experience.


The latest version of Firefox introduces cutting-edge features, support for a wide variety of Web standards, and access to more than 6,000 free add-ons that allow users to customize their browser to their liking.
Coolest features of Firefox 3.6:

• Personas: Personalize the look of your Firefox by selecting new themes called Personas in a single click and without a restart
• Plugin Updater: To keep you safe from potential security vulnerabilities, Firefox will now detect out of date plugins
• Stability improvements: Firefox 3.6 significantly decreased crashes caused by third party software – all without sacrificing our extensibility in any way
• Form Complete: When filling out an online form, Firefox suggests information for fields based on your common answers in similar field
• Performance: Improved JavaScript performance, overall browser responsiveness, and startup time
• Open Video and Audio: With the world’s best implementation of HTML 5 audio and video support, now video can be displayed full screen and supports poster frames

Security
Firefox has built-in, easy-to-use tools to help you stay safe and make the right decisions in an ever-changing online world.

Outdated Plugin Detection
Some web pages require that you install small applications called plugins to watch videos, play games or view documents. These plugins are written by other companies, and it can be hard to make sure they’re always up to date. Since outdated plugins are a security risk, Firefox will let you know when you have a plugin that’s vulnerable to attack and direct you to the right site to get the updated version.

Private Browsing
Sometimes it's nice to go undercover, so turn this feature on and protect your browsing history. You can slip in and out of private browsing mode quickly, so it’s easy to go back to what you were doing before as if nothing ever happened. It’s great if you’re doing your online banking on a shared computer or checking email from an Internet café.

Instant Web Site ID
Want to be extra sure about a site’s legitimacy before you make a purchase? Click on a site favicon for an instant identity overview. Another click digs deeper: how many times have you visited? Are your passwords saved? Check up on suspicious sites, avoid Web forgeries and make sure a site is what it claims to be.

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Download Firefox 3.5

Firefox 3.5 is Latest Fire fox browser with new engine. Free Firefox 3.5 is more than twice as fast as Firefox 3, and ten times as fast as Firefox 2.* As a result, Web applications like email, photo sites and your favorite social networks will feel snappier and more responsive.

Firefox 3.5 Top Features

As you can see from above graphic, firefox 3.5 has better performance than firefox 3. Besides it's speed, firefox 3.5 has many great features for your better browsing experience. Here are top Features at firefox 3.5

1. Private Browsing
new Surf the Web without leaving a single trace.

2. Password Manager
Remember site passwords without ever seeing a pop-up.

3. Awesome Bar
improved Find the sites you love in seconds (and without having to remember clunky URLs).

4. Super Speed
new View Web pages way faster, using less of your computer’s memory.

5. Anti-Phishing & Anti-Malware
improved Enjoy the most advanced protection against online bad guys.

6. Session Restore
improved Unexpected shutdown? Go back to exactly where you left off.

7. One-Click Bookmarking
Bookmark, search and organize Web sites quickly and easily.

8. Easy Customization
improved Thousands of add-ons give you the freedom to make your browser your own.

9. Tabs
improved Do more at once with tabs you can organize with the drag of a mouse.

10. Instant Web Site ID
Avoid online scams, unsafe transactions and forgeries with simple site identity.

Performance

Smaller Memory Footprint
Short and sweet, Firefox uses less of your computer’s memory while it’s running.

Memory Management
With a new management function in place, Firefox keeps memory usage under control. The XPCOM cycle collector continuously cleans up unused memory. Plus, hundreds of memory leaks have been remedied.

Faster Page Load
A redesigned page rendering and layout engine means you see Web pages faster—and in the way they were meant to be seen.

Color Profile Support
improved The colors in your online photo albums will be sharper and more brilliant than ever, thanks to improvements to our graphics engine.

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