CSV Cleaner for HubSpot Import
Get your contacts CSV import-ready for HubSpot in one step.
HubSpot's import tool is powerful but unforgiving: wrong column headers, duplicate contacts, and inconsistent formatting all cause failed imports or messy CRM data. Tabular preps your CSV so HubSpot accepts it cleanly — without writing a single formula.
Common HubSpot CSV problems
These are the formatting issues that most often break HubSpot imports — and the ones Tabular is built to fix.
- Column headers don't match HubSpot's required property names
- Duplicate contacts that create duplicate records in your CRM
- Inconsistent phone number and email formatting
- Extra whitespace in company names or job titles
- Mixed case data (e.g. 'new york' vs 'New York') in location fields
Recommended tools for HubSpot
Each tool works directly in your browser — no download, no signup required.
Remove Duplicates
ProInstantly remove duplicate rows from any CSV or spreadsheet. Keep your data clean and analysis-ready.
Rename Columns
ProRename any column header in your CSV or XLSX file. Map old names to new ones before importing to another system.
Trim Whitespace
Strip leading and trailing spaces from every cell in your CSV or spreadsheet with one click.
Normalize Casing
ProConvert text in your CSV to UPPERCASE, lowercase, or Title Case — across all cells or specific columns.
Frequently asked questions
What column headers does HubSpot require for CSV import?
HubSpot expects column headers to match its internal property names — for example 'Email', 'First Name', 'Last Name', 'Phone Number', 'Company'. You can use Tabular's Rename Columns tool to match your existing headers to HubSpot's expected names without manually editing the file.
How do I prevent duplicate contacts when importing to HubSpot?
Upload your CSV to Tabular and use Remove Duplicate Rows with the email column as the key. This ensures each email address appears only once before you import, preventing HubSpot from creating duplicate contact records.
Why does HubSpot create duplicate records after CSV import?
HubSpot deduplicates by email address. If your CSV contains the same email address more than once — even with slightly different formatting or whitespace — HubSpot may create multiple records. Use Tabular to remove duplicates and trim whitespace before importing.
Can I rename CSV columns to match HubSpot property names?
Yes. Tabular's Rename Columns tool lets you rename any column header. For example, rename 'Email Address' to 'Email' or 'Full Name' to 'First Name' to match HubSpot's expected format.
Is my CRM data safe when using Tabular?
Yes. Files are processed securely and automatically deleted within 24 hours. Your contact data is never stored or shared.
Ready to clean your HubSpot CSV?
No account needed. Files are auto-deleted within 24 hours.
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