Email List Splitter
Split your email list into 2, 5, or 50 parts in one click. Perfect for A/B testing, staggered sends, or dividing work between senders. Runs entirely in your browser.
How it works
Get started with email list splitter in a few simple steps.
Paste your list
Paste the full email list you want to split.
Choose the number of parts
Enter how many parts you need — from 2 up to 50.
Split and download
Each part appears in its own block with copy and CSV download buttons.
Why use this free tool
Everything you need, integrated in one workspace.
- Split into 2 to 50 parts
- Round-robin distribution keeps parts balanced
- Copy or download each part as CSV
- Free forever, private, runs in your browser
Related tools
More free tools to power your email workflow.
Frequently asked questions
Is the email list splitter free?
Yes, it is completely free and works in your browser with no account required.
Why split an email list?
Splitting lets you run A/B tests, warm up multiple sender accounts, or stagger sends over time to protect deliverability.
How are the parts balanced?
Emails are distributed round-robin, so every part gets roughly the same number of addresses regardless of order.
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