A fast, open source web browser engine.

WebKit is the web browser engine used by Safari, Mail, App Store, and many other apps on macOS, iOS, and Linux. Get started contributing code, or reporting bugs.

Web developers can follow development, check feature status, download Safari Technology Preview to try out the latest web technologies, and report bugs.

Add wide gamut P3 and alpha transparency to your color picker in HTML

Add wide gamut P3 and alpha transparency to your color picker in HTML

Now HTML lets you create a color picker for wide gamut P3 color and for alpha transparency with two new attributes: <input type="color" colorspace="display-p3" alpha>, available today in Safari 18.4.

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Easier layout with margin-trim

Easier layout with margin-trim

If you write a lot of CSS, you are familiar with those moments when you aren’t quite sure how to accomplish what you want to accomplish.

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Polishing your typography with line height units

Polishing your typography with line height units

Learn how to use line-height units when setting paragraph margins — creating vertical rhythm in your text.

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The CSS shape() function

The CSS shape() function

Shapes are an important aspect of graphic design.

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Better typography with text-wrap pretty

Better typography with text-wrap pretty

Support for text-wrap: pretty just shipped in Safari Technology Preview, bringing an unprecedented level of polish to typography on the web.

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