OZEdit is a tool created by the OZE dev. Team to package/unpackage Warcraft III map files.
There are two versions, one with a graphical interface for Windows, one which is a command line utility (currently working on Windows only).
You can get them from the Releases Section.
TBR
As of now, the syntax is very simple.
./OZEdit.exe <source folder> <destination file>
Example : ./OZEdit.exe C:\MapFiles C:\MyMap.w3x
Path have to be absolute.
The project is currently being used with Github Actions automated pipelines by the Map project. It automates the map's build from source folder.
See an example here https://github.com/Team-OZE/LegionTD-Map/blob/main/.github/workflows/map-bundling.yml The pipeline download the tool, extract it, use it to compile the MPQ/w3x, and upload the created map file as a Github artifact.
Follow the Installation.md instructions.