Fix HubSpot Date Format

Standardize dates to MM/DD/YYYY or ISO for HubSpot. 100% private—your data stays in your browser.

No uploadsNo signupInstant results
1

Upload CSV

Drop file with mixed dates.

2

Standardize

We convert dates to MM/DD/YYYY or Unix Timestamp.

3

Download Fixed File

Get a file compatible with HubSpot Date properties.

Click to upload or drag & drop

Supported files: CSV, TXT, JSON (Max 20MB)

Drop your file here

or click to browse

CSV with various date formats.

Max 20MB 100% Private

What This Tool Does

HubSpot is picky about dates. This tool converts varied date formats into the specific structure HubSpot requires for DatePicker properties.

How It Works

1Upload your CSV.
2Select the columns containing dates.
3The tool converts them to standard HubSpot format.
4Download the file.

Input Format

CSV with mixed date formats.

Output Format

CSV with consistent date columns.

When to Use This Tool

  • HubSpot imports dates as empty values.
  • You have DD/MM/YYYY dates but need MM/DD/YYYY.
  • Timestamps need to be converted to dates.