-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:
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Bosomy Mom 2 (2020) - IMDb
| Theory | Evidence For | Evidence Against | |--------|--------------|------------------| | | Mixed letters and numbers could be accidental typing. | Presence of coherent English words (“bosomy”, “mom”) suggests intention. | | AI‑Generated Prompt | Recent AI models sometimes output garbled strings when given broken prompts. | The specific years and “mom 2” hint at real‑world anchors, not pure noise. | | A Code for a Personal Event | “mom 2 2020” could be a reminder (“mom’s birthday – 2nd of May, 2020”). | No obvious date pattern; other tokens don’t map to calendar data. | | A Hidden URL Hash | Some file‑sharing services use 5‑6‑character alphanumeric hashes; “mtrjm” and “kaml” could be parts of a URL. | No recognizable base‑64 or hex patterns; missing slashes or domain. |
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Bosomy Mom 2 (2020) - IMDb
| Theory | Evidence For | Evidence Against | |--------|--------------|------------------| | | Mixed letters and numbers could be accidental typing. | Presence of coherent English words (“bosomy”, “mom”) suggests intention. | | AI‑Generated Prompt | Recent AI models sometimes output garbled strings when given broken prompts. | The specific years and “mom 2” hint at real‑world anchors, not pure noise. | | A Code for a Personal Event | “mom 2 2020” could be a reminder (“mom’s birthday – 2nd of May, 2020”). | No obvious date pattern; other tokens don’t map to calendar data. | | A Hidden URL Hash | Some file‑sharing services use 5‑6‑character alphanumeric hashes; “mtrjm” and “kaml” could be parts of a URL. | No recognizable base‑64 or hex patterns; missing slashes or domain. | mshahdt fylm bosomy mom 2 2020 mtrjm kaml 2021