reddocx

Lightweight track-changes engine for Microsoft Word (.docx) files using direct XML manipulation.

reddocx provides a minimal and fast way to programmatically add tracked revisions (insertions and deletions) to Word documents without requiring Microsoft Word or heavy document processing libraries.

Installation

• Default Installation

pip install reddocx

• UV installation

uv pip install reddocx

Usage

from reddocx.core.document import DocxDocument
doc = DocxDocument('sample.docx')
updated_report = doc.track_replace_words({'original_word':'replaced_word'})
updated_doc = doc.save()

Demo

Before → Original document

After → Track changes applied by reddocx

Features

• Word-style tracked changes (insert / delete revisions)
• Paragraph-level word replacement tracking
• Pure XML processing using lxml
• No Microsoft Word dependency
• Lightweight and fast
• Supports file path, bytes, or memory streams