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.
This browser tool does not upload the selected source to ImgNimble. Closing or refreshing clears the selected files and generated result from the page.
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 browser crop is centred by default. Reposition the original beforehand when the subject is not near the centre.
Circle Image Cropper validates the selected file before processing. Use JPG, JPEG, PNG, WEBP, GIF, HEIC, HEIF, SVG within the 40 MB per-file limit. Keep an untouched original for comparison.
The Circle Image Cropper workflow runs in browser memory. ImgNimble does not receive the source file for this local operation; refreshing or closing the page clears the selected input and generated in-page result.
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.