Question 1

How does the feGaussianBlur filter work in SVG?

Accepted Answer

The feGaussianBlur filter in SVG applies a Gaussian blur to the input graphic. The intensity of the blur is controlled by the 'stdDeviation' attribute, which defines the standard deviation of the Gaussian distribution. When this value is higher, the blur effect becomes more pronounced, spreading the pixel data across a wider area.

This tool allows you to visually adjust the 'stdDeviation' value, which is perfect for designers who need precise control over the visual softness of SVG elements. By using a slider, you can immediately observe how the blur interacts with different shapes, strokes, and vector paths without needing to manually edit XML code.

Question 2

Why is it important to test SVG blur effects on Retina displays?

Accepted Answer

Retina and other high-DPI displays have a higher pixel density than standard screens. Because SVG is resolution-independent, the rendering of filters can sometimes appear 'sharper' or 'tighter' on high-density displays compared to standard 72dpi screens. If a blur effect looks perfect on a standard monitor, it might look too subtle on a device with a 3x pixel ratio.

Our tool includes a simulation mode that helps you visualize how the blur might scale across different screen densities. By understanding these rendering differences, developers can adjust their 'stdDeviation' values to ensure that visual effects remain consistent, soft, and intentional, regardless of the user's specific hardware configuration.

Question 3

How do I use this tool to export my blur effect?

Accepted Answer

Using the tool is straightforward: load or create your SVG shape in the editor, use the adjustment sliders to modify the 'stdDeviation' value, and watch the real-time preview update instantly. Once you are satisfied with the blur radius, the application automatically generates the corresponding XML code block that you can insert directly into your web projects.

There is no need to save files to your hard drive or use complex graphic software. Simply click the 'Copy Code' button to grab the snippet, and paste it into your existing HTML or CSS files. This process is designed to be as fast as possible for front-end developers working under tight deadlines.

Question 4

Is this SVG blur tool free and safe to use?

Accepted Answer

Yes, this tool is entirely free to use and does not require any subscriptions or accounts. Furthermore, because this is a client-side application that runs directly in your browser, no data is ever sent to a server. Your SVGs, designs, and settings remain locally within your browser session while the page is open, ensuring your data privacy.

We prioritize developer productivity and security by design. By keeping all processing on the client side, we ensure that the tool is fast, responsive, and secure for use in corporate or sensitive web development environments.

Free SVG Blur Radius & feGaussianBlur Filter Generator