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Date Normalizer
Detect and normalize date formats (DD/MM/YYYY, MM/DD/YYYY, ISO) across tables and exports.
datenormalizedata
Key features
- Multiple date formats
- Batch normalization
- Preview changes
Best for
- Cleanup before import
- Analytics prep
- Mixed locales
Privacy
Runs locally. Files never leave your device.
How to use
- 1) Add your file(s) locally from your device.
- 2) Choose options (pages, OCR, columns, or settings).
- 3) Export the result (PDF/CSV/XLSX) — still locally.
FAQ
Can I choose a target format?
Yes. Pick your preferred output format.
Does it detect locale?
It uses heuristics and lets you review results.
Do you upload data?
No. Everything stays in your browser.
Related guides
- How to Merge Multiple Statements into One CSV
Combine multiple statement exports into a single CSV while keeping dates, amounts, and descriptions consistent.
- How to Normalize Dates in Bank Statement CSV
Fix mixed date formats (MM/DD vs DD/MM) and export consistent ISO dates for accounting tools.