libjs-jcrop software package provides image cropping plugin, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libjs-jcrop
libjs-jcrop is installed in your system.
Make ensure the libjs-jcrop package were installed using the commands given below,
$ sudo dpkg-query -l | grep libjs-jcrop *
You will get with libjs-jcrop package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Web Software |
| Package | libjs-jcrop |
| Version | 0.9.12+dfsg-1 |
| Description | image cropping plugin |
| Sub Section | Web |