Is WebAuzar free to use?

Yes. WebAuzar tools are completely free to use. You can compress images, merge PDFs and use other utilities without creating an account.

Do I need to create an account?

No signup is required. WebAuzar tools work directly in your browser allowing you to process files instantly.

Yes. Many WebAuzar tools process files directly in the browser which means your files stay on your device.

WebAuzar offers image tools like compression, resizing and format conversion along with PDF utilities such as merge, split and compress PDF.

Remove Duplicate Lines

Paste any list, remove all duplicate lines instantly. Sort, trim and deduplicate in one click.

Instant results 6 options 100% private

Total lines

Unique lines

Removed

Options

Input — 0 lines

Unique — 0 lines1 empty removed

Unique lines will appear here...

0 unique lines · 0 characters

Try:

Clean up mailing lists by removing duplicate subscriber emails before importing to your ESP.

Remove repeated tags, keywords, or categories from CSV exports.

Clean up lists of imports, dependencies, or repeated log entries.

Deduplicate rows copied from spreadsheets or database exports.

Remove duplicate URLs from crawl exports or browser bookmark exports.

Create unique word lists for vocabulary tools, dictionaries or NLP datasets.

By default, any line that appears more than once is a duplicate. With 'Case sensitive' off, 'Apple' and 'apple' are treated as duplicates.

Normally the tool keeps the first occurrence and removes later ones. 'Keep last' reverses this — useful when later entries are more updated.

Yes! Enable the 'Remove empty' option to also strip blank lines from the output.

No. The tool processes everything in your browser so any size input works.

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