Duplicate Line Remover

Deduplicate lines instantly — keep first or last, ignore blanks, sort after cleanup.

100% Browser-Based — text never uploads to our servers. Live analysis and auto-save stay on your device.

Paste text

Tip: drag & drop a .txt file here. Auto-save restores your draft after refresh.

Upload TXT

Tool Options

Case sensitive Ignore spaces (trim) Ignore blank lines Keep last (default first) Sort after removing Live

Results

Results will appear here…

How It Works

Fast text utilities that run entirely in your browser.

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Paste or upload

Paste text or upload a .txt file. Auto-save keeps your draft in the browser.

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Process live

Analysis and transforms run locally — 100% client-side, no upload.

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Copy or download

Export TXT, CSV, JSON or print instantly.

Zero server upload — your text stays on your device.

About Duplicate Line Remover

Remove duplicate lines with case sensitivity, trim, keep first/last and sort options. Free browser tool. Built for writers, SEO, students and developers with live analysis and auto-save.

FAQs

Is my text uploaded?

No. All text tools process content in your browser. FreeConverter servers never receive your text.

Does auto-save upload data?

No. Auto-save uses LocalStorage on your device only.

Is this free?

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