-prefix-free lets you use only unprefixed CSS properties everywhere. It works behind the scenes, adding the current browser’s prefix to any CSS code, only when it’s needed.
“[-prefix-free is] fantastic, top-notch work! Thank you for creating and sharing it.”
— Eric Meyer
<link> or <style> elements and adds a vendor prefix where neededstyle attribute and adds a vendor prefix where needed<link> or <style> elements, style attribute changes and CSSOM changes (requires plugin).css() method get and set unprefixed properties (requires plugin)@import-ed files is not supportedstyle attribute) won’t work in IE and Firefox < 3.6. Properties as well in Firefox < 3.6.Check this page’s stylesheet ;-)
You can also visit the Test Drive page, type in any code you want and check out how it would get prefixed for the current browser.
Just include prefixfree.js anywhere in your page. It is recommended to put it right after the stylesheets, to minimize FOUC
That’s it, you’re done!
The target browser support is IE9+, Opera 10+, Firefox 3.5+, Safari 4+ and Chrome on desktop and Mobile Safari, Android browser, Chrome and Opera Mobile on mobile.
If it doesn’t work in any of those, it’s a bug so please report it. Just before you do, please make sure that it’s not because the browser doesn’t support a CSS3 feature at all, even with a prefix.
In older browsers like IE8, nothing will break, just properties won’t get prefixed. Which wouldn’t be useful anyway as IE8 doesn’t support much CSS3 ;)
Test the prefixing that -prefix-free would do for this browser, by writing some CSS below:
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development means targeting small memory footprints (128KB–2MB RAM) while maintaining reliability.
The landscape of "high-quality entertainment" and "popular media" in 2026 is defined by a shift from sheer volume to meaningful, experience-driven content
If your "javxxxme" referred to a specific library, emulator, or game development platform (e.g., for 3D graphics), please clarify and I’ll provide an even deeper dive into that area.
Social media has had a profound impact on the entertainment industry. Platforms like Instagram, Twitter, and Facebook have given audiences a voice and allowed them to connect with their favorite celebrities and creators. Social media has also changed the way we consume entertainment content, with many users discovering new content and sharing it with their friends and followers. The influence of social media can be seen in many areas, from the way we market and promote entertainment content to the way we consume and engage with it.
development means targeting small memory footprints (128KB–2MB RAM) while maintaining reliability. javxxxme high quality
The landscape of "high-quality entertainment" and "popular media" in 2026 is defined by a shift from sheer volume to meaningful, experience-driven content Social media has had a profound impact on
If your "javxxxme" referred to a specific library, emulator, or game development platform (e.g., for 3D graphics), please clarify and I’ll provide an even deeper dive into that area. The influence of social media can be seen