Duplicate

About This Spell

With a wizard's whisper, Duplicate items a set number of times. Optionally only duplicate those that match a regex pattern.

How to Cast the Spell

Set how many times to duplicate.
Choose duplication mode and optional pattern.
Paste items and click Duplicate.

Privacy-first processing every time

WizardOfAZ tools do not need registrations, no accounts or sign-up required. Totally Free.

Local only: There are many tools like Text tools, some CSV tools, List tools etc. that are only processed on your browser. Data and Documents are transformed on your machine, so nothing is sent to our servers.
Transparent progress: Watch the processing banner appear as soon as work begins and know exactly when it completes.
Clear safeguards: Every tool links directly to our privacy policy and has been reviewed for accessibility.
Secure Process: Some Tools need to be processed in the servers so the Old Wizard processes your files securely on our servers, keeping them for up to 1 hour so your tool can finish its work—after that, they are automatically deleted after 1 Hour.

10K+ private jobs cast in the last 12 months

“The wizard does everything I need. I can merge sensitive PDFs without a second thought.”

— Morgan, legal operations lead

What is Duplicate List?

Duplicate List is a free list manager from WizardOfAZ. Use it to work with lists using flexible options as part of your organising research, without installing extra software.

Popular ways to use Duplicate List

Streamline organising research by using Duplicate List to work with lists using flexible options.
Share deliverables faster—processed lists are ready for download in seconds.
Combine Duplicate List 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 lists using flexible options, and download the processed result instantly.
Bookmark the Duplicate List 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 lists using flexible options.

Frequently asked questions

Is the Duplicate List secure?

Yes. The Duplicate List runs entirely in your browser, which means your lists never leave your device.

What can I do with the Duplicate List?

You can organising research by processing lists without uploading them to an external service.

Can I use Duplicate List 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 Duplicate List:

Chunker — Use it to work with lists using flexible options.
Clean Trim — Use it to work with lists using flexible options.
Combinator — Use it to work with lists using flexible options.