Create a task that allows you to select multiple images and convert them to JPG,PNG,HEIC or TIFF.
This will run the task on the files and folders selected from within FileBrowser.
Use files from:
Change the top dropdown to "Selection when task is run"
Then tap "Insert Step"
Convert Images to one of the following formats JPG,PNG,HEIC or TIFF.
In the new section, change the top dropdown to "Convert images"
Change the second dropdown to "TIFF"
Run task:
Leave it as "Manual".
Tap "Close"
To run this Task simply select your images and use the toolbar actions menu and select "Run Custom Task" selecting your new "Convert Images" task.