Photo , Signatur crop and image to pdf

PAN Application Form (front Page & Back side) and Supporting Document (POI , POA ,DOB Proof as provided by applicant) to be scanned in 200dpi color - PDFA format (Size: Maximum upto 2MB) Photo Scanning 300 dpi,Colour,213 X 213 px (Size:less than 30 kb) Signature scanning 600 dpi black and white 1023X680 (Size:less than 60 kb) Disigne i give you. 1. Photo Crop - You Already Make That 2. Signature Crop - Same As Photo Crop. But Size Not More then 1023X680 Pixel . hight and width not fixed as photo crop but hight width not more then 1023X680 Pixel. Also Signature Crop Resulation will be 600 DPI. 3. User drag and drop all documents (JPG/JPEG) file and It Join and download as PDF. Example URL - [login to view URL] If - Also if customer upload once and use multiple time to crop image, Signature and join pdf. No need to upload again and again. is that ossible ?