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## File Uploader mask for Cloud editor

We've added support for defining a custom overlay mask in the Cloud editor using the `cloudImageEditor.maskHref` option.
This mask helps users crop their images to meet specific upload requirements — for example, when preparing avatars, profile pictures, or documents.

[https://uploadcare.com/docs/file-uploader/image-editor/#custom-masks](https://uploadcare.com/docs/file-uploader/image-editor/#custom-masks)