This app tells information about file you upload to it.
{
"fieldname": "file",
"originalname": "github token",
"encoding": "7bit",
"mimetype": "application/octet-stream",
"destination": "uploads/",
"filename": "55ece8f22addbd7ce836f0662bb78a02",
"path": "uploads/55ece8f22addbd7ce836f0662bb78a02",
"size": 41
}
You can see live preview