Chrome extensions can be downloaded either from the main window or from the analysis workspace action.
The CRX Format package is exposed to the SDK:
from Pro.Core import * from Pkg.CRX import * def parseCRX(fname): c = createContainerFromFile(fname) if c.isNull(): return obj = CRXObject() if not obj.Load(c): return range = obj.GetArchiveRange() if range: # prints out the range of the embedded Zip archive print("content offset:", hex(range.offset), "size:", hex(range.size))