URL Deduplicator

Clean huge URL lists down to unique links with flexible normalization rules.

100% Browser-Based Processing — Your text and URLs are processed locally. No uploads to FreeConverter servers.

Paste URLs or text

Tip: drag & drop a TXT/CSV onto this card, or use Import below.

Import TXT Import CSV

Tool Options

Case insensitive Ignore trailing slash Ignore HTTP/HTTPS Ignore www Output normalized URLs

Working…

Results

Results will appear here…

How It Works

Fast URL utilities that run in your browser.

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Paste or import

Paste text/URLs or import a TXT/CSV file. Nothing is uploaded to our servers for processing logic.

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Process in browser

All parsing runs locally in your browser.

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Copy or download

Export results as TXT, CSV, or JSON instantly.

Zero server upload — parsing stays on your device.

About URL Deduplicator

Remove duplicate URLs with options for case, trailing slash, http/https and www normalization. Export unique lists instantly. Designed for SEO, marketing, and developer workflows with copy/export support and bulk-friendly input.

FAQs

Are my URLs uploaded?

Parsing and cleaning run in your browser. Network tools may request target websites directly from your device (CORS best-effort).

Is this free?

Yes. FreeConverter.app online URL tools are free to use.

Do I need an account?

No account or installation is required.