If you are looking for the decompiler itself, visit https://github.com/jindrapetrik/jpexs-decompiler
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List of issues#1425 Support Opening FLA files.
Author: 
wertercatt
wertercattDate created:
Type: feature
Visibility: Everybody
Assigned to:
State: closed 
Currently, JPEXS Free Flash Decompiler is able to decompile SWF files back into an
approximation of their source FLA files. I think being able to do this operation in
reverse would be useful. IE: Compiling FLAs into SWFs. This would make it easier to check
for inconsistencies, as users could decompile the SWF into an FLA, then recompile it back
to an SWF and see how closely the two SWF files match.
No.
State: new→closed