Tool 03
📅 Fix Date & Number Formats
Excel often turns long numbers into scientific notation and misreads dates. This tool detects and fixes both.
🔒 100% offline — your file never leaves your computer
What it does
- Detects numbers Excel mistakenly displayed in scientific notation
- Corrects dates that were misread or reformatted incorrectly
- Restores clean, consistent formatting across the whole sheet
⬇ 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.