Text Toolkit

Line-by-line cleanup plus email / IP extraction — the utilities devs and marketers reach for daily.

Quick answer: Free text toolkit: remove duplicate lines, sort, trim, remove empty lines, number lines, extract & validate emails and IP addresses. All in your browser.

How to use

Open this page on any device — no signup needed.
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Get your result instantly — nothing is uploaded.

About this tool

The text toolkit bundles everyday list and text operations: remove duplicate lines, remove empty lines, sort alphabetically, trim whitespace, number lines and reverse order. It can also extract email addresses and IPv4 addresses from any text and validate their format — handy for cleaning mailing lists, logs and datasets without spreadsheets.

FAQ

Does removing duplicates keep the first occurrence?

Yes — the first occurrence stays and later duplicates are removed.

How does email validation work?

Each extracted address is checked against standard email format rules (name@domain.tld). It checks format, not whether the inbox exists.

Is my text uploaded?

No — all processing happens locally in your browser.

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