Tool 01
📞 Address List Optimizer
Cleans phone numbers, fixes addresses and removes duplicates in your Excel list — all in one tool.
🔒 100% offline — your file never leaves your computer
What it does
- Unifies phone numbers from formats like 040 / 123456, +49 40 123456 or 0049 40 123456 into one clean format
- Detects and corrects malformed or inconsistent address entries
- Finds and removes duplicate rows across your list
⬇ Download Tool — Free
Single HTML file · runs in any browser · no installation, no sign-up
How it works
1
Download the toolClick the button above and save the file to your computer.
2
Open it in your browserDouble-click the downloaded file — no installation or account needed.
3
Select your file and download the resultEverything runs locally; your Excel file is never uploaded anywhere.