Converters
CSV Date Format Normalizer
Convert mixed date formats in a CSV column to one consistent format.
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Frequently asked questions
How do I use it?
Enter your csv data, adjust the options and press “Normalize dates”. Check the result, then copy or download it.
How does it work?
Paste CSV with a header row. Columns can be given by name or number. Reads YYYY-MM-DD, DD/MM/YYYY, MM/DD/YYYY, “7 Jun 2024” and “Jun 7, 2024”. Impossible dates (31/02) are left unchanged and counted.
Is my data uploaded?
No. Everything is processed in your browser and nothing is sent to a server. No account is needed.
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