LLCrop allows you to either remove unwanted outer areas from
a jpg-photo or to create zoom-ins.

Simply load a JPEG image from the in-app image browser,
adjust the rectangular selection, rotate it if necessary
and save it as a new image file.

While there are many apps capable of cropping images (often with
additional features), they generally cause quality loss because
they re-encode to JPEG again when saving the output file.

LLCrop (the "LL" stands for lossless) can
crop JPEG images without q