JPEXS Free Flash Decompiler is a free, open-source application for analyzing, editing, and extracting content from Adobe Flash SWF files. It enables users to inspect compiled Flash applications and recover resources such as images, sounds, fonts, shapes, and scripts. The software supports ActionScript 1, 2, and 3 decompilation, allowing developers to examine and modify embedded program logic. Users can replace multimedia assets, edit text, and modify SWF structures without access to the original project files. It also supports converting SWF content into FLA format for further editing. Its integrated interface provides resource previews, script editing, and multiple export options. Built with Java, it runs on Windows, macOS, and Linux and is useful for software preservation, reverse engineering, and Flash content recovery.
Features
- ActionScript 1, 2, and 3 decompilation
- SWF resource extraction and replacement
- SWF to FLA project conversion
- Integrated ActionScript editing and inspection
- Image, audio, font, and shape export
- Cross-platform Java-based interface