Remove duplicate lines from emails, SKUs, or any list. Case-sensitive matching, trim whitespace, and preserve original order — free, private, in-browser.
0 characters
100% browser-based
Runs locally in this tab
No upload required
Your files never leave this device
Nothing is stored
Close the tab and the input is gone
Instant results
No queue and no server wait
Paste emails, SKUs, log lines, or a column export and get unique rows plus a count of what was removed. That is faster than a pivot table when you only need a clean list to paste back into a ticket or a config file.
Turn case sensitivity on when Foo and foo must both stay. Turn it off when a mailing list treated them as the same person. Pair it with trim whitespace so a trailing space does not keep a near-duplicate alive.
Preserve order keeps the first occurrence where it appeared — useful for ranked lists and changelogs. If order does not matter, you still get original, unique, and removed counts so you can confirm the pass did real work.
Customer emails and internal IDs stay in the browser. Deduplication never uploads a list, asks for an account, or writes the unique rows to a server. Close the page and the original paste is gone from GetUpTools.
Emails, SKUs, URLs, or log lines all work. You do not upload a CSV to a server.
Enable case sensitivity if casing is meaningful. Trim whitespace to catch padded copies. Keep preserve order when the first hit should stay put.
The stats tell you how many lines were duplicates. If removed is zero, the list was already unique under those options.
Copy the result back into your sheet or config. Nothing is stored on a server.
Straight answers on privacy, limits, and how the workspace behaves.
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