Upgrade old DOC files into modern DOCX format for better compatibility and security.
About this tool
The DOC → DOCX converter helps you upgrade your old Microsoft Word documents (.doc) to the modern DOCX format.
DOCX files are smaller, more secure, and work seamlessly with modern software including Microsoft Word, Google Docs, and LibreOffice.
How to use:
Upload your .doc files using the file picker.
Click the Convert button.
Wait a few seconds for processing.
Download the converted .docx files instantly.
Features:
Fast and reliable DOC to DOCX conversion.
Preserves formatting, fonts, and layout.
Compatible with all platforms and devices.
No software installation required – runs fully online.
Notes:
Some very old DOC files may have minor formatting differences after conversion.
Images, tables, and formatting are preserved whenever possible.
Your uploaded files are processed securely and deleted after conversion.