Please refer to The official docs.
- Select a TexturePacker assets in the assets Panel of Cocos Creator. (The TexturePacker assets is the imported plist file).
- Choose "unpack" menu item from the main menu Packages/unpack-textureatlas.
- Enjoy. The extracted small textures will be imported into the assets folder.
- The texture atlas exported by TexturePacker with triangular information could not be extractd successfully.