Crop · Browser-first processing
The tool centre-crops the source into a square, applies a circular mask and exports PNG transparency.
Select a supported file or enter the requested values, then run the tool.
Closing or refreshing this page clears the selected files and generated result. Downloaded files are created as new copies and never overwrite the source.
Common questions
Circle Image Cropper reads the selected input into browser memory and performs its documented operation on this device. It does not submit the source file to ImgNimble while using this browser-first workspace.
A square PNG whose pixels outside the circle are transparent.
The crop is centred in Delivery 1. Reposition the original beforehand when the subject is not near the centre.
Practical checks
The tool centre-crops the source into a square, applies a circular mask and exports PNG transparency.
Keep the source, download the Circle Image Cropper result as a new file, and verify dimensions, transparency, colour, metadata and visual detail before replacing any production asset.
Continue the workflow
Centre-crop images to current common post, story, thumbnail, banner and profile presets.
Turn an image into a black-and-white or alpha mask using an adjustable luminance threshold.
Align and size a portrait using adjustable visual guides and common document-photo canvas presets.