Crop images online in 5 simple steps:

1. Upload an image (or just paste it from the clipboard)
2. Click the "Edit Image" dropdown under the Image sidebar section
3. Click "Blur Area"
4. Select an area from your image and adjust the blur density
5. Click "Save Edits" to apply the effect

https://dribbble.com/shots/15912408-iGiveback-UI-design-concept/attachments/7742364?mode=media