: The most comprehensive open-source option, frequently updated (latest version 26.0.0 released April 6, 2026). It supports ActionScript 1/2/3, FLA export , and even experimental direct ActionScript editing.

: If the code looks like gibberish, the SWF is "obfuscated" to prevent decompilation. Online tools cannot fix this.

) where a team can view the code, assets, and comments together.