> For the complete documentation index, see [llms.txt](https://docs.scaleflex.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.scaleflex.com/dynamic-media-optimization-dmo/transformations/image-optimization/filters/blur.md). # Blur Gaussian blur Applies Gaussian blur to the image. The parameter value (X) is the kernel size of the filter in pixels. **blur=X** ## Examples | Preview | Syntax | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | ![](https://2536208400-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fqsq2dR7Fjagf5eTifWZx%2Fuploads%2FdWijQZH6P6zhFHzfADfW%2Fimage.png?alt=media\&token=23fafabf-7639-41b0-89f4-2ff9bf1d611d) |

Original image:
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Blur applied:
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