Remove duplicate lines

Clean logs, lists, or CSV snippets by deduplicating instantly while keeping accessible keyboard navigation.

Tips for clean datasets

Tackle noisy exports before loading them into spreadsheets or databases.

Trim whitespace: Removes leading/trailing spaces so “alpha” and “ alpha ” are treated the same.

Case-sensitive: Preserve differences for identifiers like “ID123” vs “id123”.

Sort output: Produce alphabetised results for easy scanning or version control.

What is Dedupe Lines?

Dedupe Lines is a free text utility from WizardOfAZ. Use it to work with text snippets using flexible options as part of your writing and editing, without installing extra software.

Because everything happens locally in your browser, your content stay under your control while you work with text snippets using flexible options.

Popular ways to use Dedupe Lines

Streamline writing and editing by using Dedupe Lines to work with text snippets using flexible options.
Share deliverables faster—processed text snippets are ready for download in seconds.
Combine Dedupe Lines with other WizardOfAZ tools to keep complex workflows in one browser tab.

Examples and workflow tips

Upload a sample file, cast the spell to work with text snippets using flexible options, and download the processed result instantly.
Bookmark the Dedupe Lines in your browser so recurring tasks stay only one click away.
Share the spell with teammates who need a quick, no-install way to work with text snippets using flexible options.

Frequently asked questions

Is the Dedupe Lines secure?

Yes. The Dedupe Lines runs entirely in your browser, which means your content never leave your device.

What can I do with the Dedupe Lines?

You can writing and editing by processing text snippets without uploading them to an external service.

Can I use Dedupe Lines on mobile?

Yes. WizardOfAZ tools are responsive, so you can launch the spell on desktops, tablets, or phones without installing extra apps.

Related tools to explore

Expand your toolkit with other WizardOfAZ spells that complement Dedupe Lines:

Base64 Tool — Use it to work with text snippets using flexible options.
Case Converter — Use it to work with files using flexible options.
Case Styles Converter — Use it to work with files using flexible options.