Source : https://fileflows.com
Download :
Apache84 https://www.myqnap.org/product/fileflows-server-apache84/
FileFlows allows you to monitor files or directories, and then process files matching certain criteria for processing.
It can be extended through Plugins (written in .NET) or Scripts (written in JavaScript).
A standard installation comes with the following plugins
Basic Nodes
Allows basic file processing like copy, move, delete, rename, file size, and javascript functions.
Video Nodes
Allows for processing of video files to ensure they are in the format you desire and also things like removing black bars from videos.
Audio Node
Similar to the video plugin and lets you convert you audio files to other formats.
Image Nodes
Allows you to convert, resize, crop images.