Free Email Marketing Tool

Email List Split by Domain

Upload bulk email lists and automatically split them by Gmail, Yahoo, Outlook, custom business domains, or every individual domain.

Privacy: Bulk files are processed locally in your browser. Your email list is never uploaded to the server.

Emails found

Unique emails

Domains

Free provider

Business

Groups

1. Upload or Paste Bulk Email List

Supports CSV, TXT, JSON, XLS and XLSX files. You can also paste mixed text directly.

Bulk file upload

📤

Drag & drop bulk list files

CSV, TXT, JSON, XLS, XLSX · multiple files allowed

Paste email data

2. Split Options

Group mode

Minimum emails per group

Copy/download separator

Only include domains (optional)

Exclude domains (optional)

Lowercase emails

Remove duplicates

Remove invalid emails

Sort largest first

3. Domain Groups

Copy or download each domain group separately.

0 groups

Domain Summary

Group	Type	Emails	Percent
No data yet.

About Email List Split by Domain

Email List Split by Domain helps marketers, sales teams, and outreach operators segment large email lists by provider or business domain before campaign sending.

Common use cases

Separate Gmail, Yahoo, Outlook and corporate emails.
Prepare domain-wise email batches for safer outreach planning.
Find business-domain leads from large mixed lists.
Export each provider or domain group separately.