JPEXS Free Flash Decompiler

To inspect scripts, extract assets, or edit an old SWF/Flash file, ordinary players can't open its internals. JPEXS opens it up: a free open-source SWF Flash decompiler that decompiles and edits Flash files, extracting ActionScript and assets.

Features

SWF Decompile: Decompile ActionScript.

Asset Extraction: Export images, sound, vectors.

Edit & Export: Modify and re-export.

Cross-Platform: Open source and free.