as3compile man page

as3compile — Compile .as ActionScript 3.0 files to swf.


as3compile [-o file.swf]


Compiles a file written in ActionScript 3.0 to a SWF file.


-h, --help
Print short help message and exit
-V, --version
Print version info and exit
-v, --verbose
Increase verbosity
-q, --quiet
Decrease verbosity
-C, --cgi
Output to stdout (for use in CGI environments)
-R, --resolve
This flag will cause the compiler to try filenames like "" for classes named "FooBar".
-D, --define namespace::variable
Set a compile time variable (for doing conditional compilation)
-X, --width
Set target SWF width
-Y, --height
Set target SWF width
-r, --rate
Set target SWF framerate
-M, --mainclass
Set the name of the main class (extending flash.display.MovieClip)
-l, --library file
Include library file file. <file> can be an .abc or .swf file.
-I, --include dir
Add additional include dir dir.
-N, --local-with-network
Make output file "local with networking"
-L, --local-with-filesystem
Make output file "local with filesystem"
-T, --flashversion num
num must be >= 9.
-o, --output filename
Set output file to filename.


The following is a basic as3 file that can be compiled e.g.
with as3compile -X 400 -Y 400

import flash.display.MovieClip

public class Main extends MovieClip
function Main()


Matthias Kramm <>


February 2012 as3compile swftools