Online photo editor, use it like this
Select a PNG, JPEG, or WebP photo. Drag over the photo or specify an area with coordinates and apply cropping, mosaic, or text addition. Color correct and then save as PNG, JPEG, or WebP.
Example usage
If you choose a 1:1 ratio in a 1920×1080 photo, select the square area in the center. Click Crop Selection to create a 1080×1080 image. You can restore the previous size with Undo.
Please note
Supports input of up to 20MiB, 16 million pixels, and 8,192px on each side. The edited image is reduced to within 2,048px on the long side and the original file is not modified. PSD, individual layers, animation and EXIF preservation are not supported.