as3swf

as3swf is a low-level ActionScript 3 library for parsing, creating, modifying, and emitting SWF files. It gives programmatic access to SWF structure (tags, binary content, shapes, actions, etc.), and allows developers to read SWF files, manipulate them in code (e.g. change shapes, embed assets, alter frame data), and write them back out. as3swf is released under the MIT license. Parse, create, modify and publish SWF files. Modify SWF content: insert, remove, or alter tags or objects within the SWF.

Features

Parse and read existing SWF file structure (tags, frames, etc.)
Create new SWF content from scratch
Modify SWF content: insert, remove, or alter tags or objects within the SWF
Support publishing / exporting SWF files after modifications
Open source under MIT license
Comes with example files and utilities to work with SWF internals

Project Samples

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License

MIT License

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Additional Project Details

Programming Language

ActionScript

Related Categories

ActionScript Libraries

Registered

2025-09-23

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