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Clean messy CSV data in one click. Fix formatting, capitalize names, clean phone numbers, trim whitespace, remove empty rows and duplicates. Your data never leaves your browser.
Drop a CSV file here
or click to browse — or paste CSV data below
Free CSV data sanitizer that runs 100% in your browser. Upload a messy CSV or paste data directly — fix formatting issues, capitalize names properly, normalize email addresses, format phone numbers, remove empty rows, and eliminate duplicates. Perfect for cleaning lead lists before importing into your CRM. Your data never leaves your device — critical for customer data, lead lists, and any CSV containing personal information. A free alternative to the data cleaning features in Clay ($134/mo) and Apollo ($49/mo).
Trailing and leading whitespace in every cell. Inconsistent capitalization (JOHN SMITH and john smith both become John Smith). Emails forced to lowercase and trimmed. Phone numbers stripped to digits and reformatted as (xxx) xxx-xxxx. Completely empty rows removed. Exact duplicate rows removed. All in one click.
Yes — that's the primary use case. Clean your CSV here, then import the cleaned file into HubSpot, Salesforce, Apollo, or any CRM. Clean data means fewer bounced emails, better merge rates, and no embarrassing "dear JOHN SMITH" situations.