List Splitter

Cut a list into a fixed number of even segments, or into batches of a fixed size, for staged sends.

Your list

Choose a file or drag one here one entry per line

Lines

Split mode Into a fixed number of segments — each one roughly equal Into batches of a fixed size — as many as it takes

Number of segments

Pull addresses out of any text or CSV, strip labels stuck to the front, split them by provider, and flag the ones that will bounce.

Split a list into free-provider addresses and company-domain addresses, with a breakdown by domain.

Drop duplicate emails or lines from a list, case-insensitively, and see exactly what was removed.

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