Blog
Practical guides for cleaning, sorting and deduping lists.
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How to use Listalyze
A short tour of what Listalyze does — sort, clean, dedupe, regex, find, compare, and big files offline — with a one-line how-to and a link for each.
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Remove duplicate emails from a list
Dedupe an email list in three steps in Listalyze — including case and whitespace variants — in your browser, on files too big for Excel, without uploading anything.