Free to use. If it helps you, consider supporting our work.
Beta Software: luppiter Writer is in active development. It's functional and usable, but this is an early release — keep backups of important documents. We push fixes regularly.
Native Python application. Opens, edits, and saves real .docx files
with full Microsoft Word round-trip compatibility. Works on Windows, macOS, and Linux.
Source code included.
iuppiter-writer-desktop.zip · ~33 KB · Python source
Five steps. Takes about two minutes on any machine with Python installed.
If you don't already have Python, download it free from python.org. Make sure to check "Add Python to PATH" during installation on Windows.
Right-click iuppiter-writer-desktop.zip → Extract All (Windows) or double-click (Mac). Place the extracted folder wherever you like.
Open a terminal / command prompt and run:
pip install python-docx Pillow
This installs the two required libraries (one-time, ~5 MB).
Windows: Double-click luppiterWriter.bat
Mac / Linux: In terminal, run python iuppiter_writer.py
Click File → Open to load an existing .docx, or start a new blank document. Save back to .docx anytime with Ctrl+S.
README included
The download includes a README.md with full installation and usage notes.
If something isn't working right — a crash, a .docx compatibility issue, or a feature that's broken — email us directly. We read every report and push fixes fast.
Caesar192038@proton.me · Report a bug