JPEXS Free Flash Decompiler Screenshot
JPEXS Free Flash Decompiler

JPEXS Free Flash Decompiler is a powerful open-source tool designed for decompiling and editing Adobe Flash (SWF) files. It allows users to reverse-engineer SWF files, extract their resources, and modify the content. This tool is particularly useful for developers, designers, and security analysts who work with Flash files. The program supports a wide range of Flash versions and offers a variety of features that make it an indispensable tool for those who need to edit, analyze, or recover content from Flash files.

Key Features of JPEXS Free Flash Decompiler:

SWF Decompiling and Editing:

  • Decompile SWF files into their constituent elements, including images, sounds, fonts, text, ActionScript code, and more.
  • Edit the decompiled elements directly within the program, allowing for easy modification of Flash content.

ActionScript Viewer and Editor:

  • View and edit ActionScript 1, 2, and 3 code with syntax highlighting and code formatting.
  • The program includes a built-in script editor, enabling users to modify scripts and recompile the SWF file.

Resource Extraction:

  • Extract various resources from SWF files, such as images, audio files, video clips, fonts, and more.
  • Save extracted resources in their original formats for use in other projects.

SWF Conversion:

  • Convert SWF files to FLA format, allowing for further editing in Adobe Flash or other compatible software.
  • Export SWF content to various formats, including XML, allowing for easy manipulation and analysis of the data.

Multi-Language Support:

  • The program is available in multiple languages, making it accessible to a wide range of users around the world.

Cross-Platform Compatibility:

  • JPEXS Free Flash Decompiler is available for Windows, macOS, and Linux, ensuring broad usability across different operating systems.

Interactive SWF Debugging:

  • Debug SWF files interactively with the integrated debugger, allowing users to step through code, set breakpoints, and inspect variables.

Batch Processing:

  • Decompile and edit multiple SWF files simultaneously using the batch processing feature, saving time and effort.

Hexadecimal Editor:

  • Edit the raw data of SWF files with the built-in hexadecimal editor, giving users low-level control over the file structure.

Open-Source and Free:

  • As an open-source project, JPEXS Free Flash Decompiler is free to use, modify, and distribute under the GNU General Public License (GPL).

Regular Updates and Community Support:

  • The program is actively maintained with regular updates and improvements, driven by a community of users and developers.
  • Access to an online forum and documentation for support and guidance.

Customizable User Interface:

  • The program features a customizable user interface, allowing users to arrange tools and panels to suit their workflow.

JPEXS Free Flash Decompiler is a comprehensive tool that offers everything needed to decompile, edit, and analyze SWF files. Its powerful features, combined with its open-source nature and cross-platform compatibility, make it an essential tool for anyone working with Flash files. Whether you're looking to modify existing Flash content, extract resources, or analyze ActionScript code, JPEXS Free Flash Decompiler provides the tools to get the job done efficiently.

JPEXS Free Flash Decompiler - Changelog:

  • Added:
  • AS3 P-code - add new function button (creates methodinfo, methodbody).
  • Javadoc HTML documentation for library (Separate download).
  • Fixed:
  • Script decompilation - Loop detection causing §§goto instructions in some cases.
  • AS3 script export with embedded assets fails (_assets dir not exists) when no other than sprite assets exist.
Download JPEXS Free Flash Decompiler:
Installer version:
Size: 13.50 MB - Download
Portable version:
Size: 14.38 MB - Download