HeroBounce

Bulk Email Verification

Upload a CSV file to verify thousands of emails at once.

Upload CSV File

CSV must have an 'email' column. Maximum 10,000 emails per file. For larger lists, split into multiple files for faster parallel processing.

CSV file up to 10MB • Columns: email (required), name, company (optional)

CSV Format Requirements

  • • Must include an 'email' column header
  • • UTF-8 encoding recommended
  • • One email per row
  • • Additional columns will be preserved in results

Validation Jobs

Track your bulk validation progress

No validation jobs yet

Upload a CSV file to get started