Free Email Marketing Tool

Bulk Email Splitter

Split large email lists into equal teams, fixed-size batches, or domain-aware groups for outreach and email marketing.

Privacy: All email splitting happens in your browser. Your list is not uploaded to the server.

Emails detected

Unique emails

Groups created

Largest group

1. Paste Email List

Paste raw emails, CSV rows, mixed text, or copied spreadsheet data.

Email data

Split mode

Emails per group

Number of groups

Group prefix

Output separator

Cleanup

Remove duplicates Lowercase emails

2. Split Result

Copy or download individual groups.

0 groups

About Bulk Email Splitter

Bulk Email Splitter helps email marketers, lead generation teams, sales teams, and support operators distribute large email lists into manageable batches.

Common use cases

Split 10,000 leads into smaller daily sending batches.
Divide email lists equally among multiple outreach agents.
Group contacts by Gmail, Yahoo, Outlook, or business domains.
Export team-ready email lists for campaign planning.