Crop · Browser-first processing
Select a destination preset, preview the safe frame and export a correctly sized copy.
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
Social Media Auto-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 cropped and resized PNG or JPEG for the selected preset.
Platform dimensions can change and centre cropping can cut off important subjects. Check the preview and verify the latest platform guidance before publishing.
Practical checks
Select a destination preset, preview the safe frame and export a correctly sized copy.
Keep the source, download the Social Media Auto-Cropper result as a new file, and verify dimensions, transparency, colour, metadata and visual detail before replacing any production asset.
Continue the workflow
Calculate proportional dimensions, test common ratios and crop an image to a selected aspect ratio.
Create a circular avatar or profile image with a transparent background.
Place a screenshot on a padded gradient or solid background with rounded corners and shadow.