CSV date format unified
Convert CSV date columns in the original format that is explicitly specified, leaving other fields and empty date original values.
CSV date format unified User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- Convert 31/12/2026 in the date column to 2026-12-31 by day/month/year.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Strictly verify the generated target format after the Gregorian date, and do not guess the order of the sun and the moon or the timestamp of the resolution.
scope of use
The date only accepts four digits and two digits and days; when there is an invalid date, the entire table refuses to convert, up to 1000 rows.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
The date only accepts four digits and two digits and days; when there is an invalid date, the entire table refuses to convert, up to 1000 rows. Please compare the input unit, rounding method, applicable rules and data version first.