Flatten Nested Lists and Unique

About This Spell

With a wizard's whisper, Flatten nested lists provided as JSON and return a unique set of items while preserving first-seen order.

How to Cast the Spell:

Use your magic to Paste a JSON array (it may be nested).
Use your magic to Click Flatten to get one-per-line output.

What is Flatten Deep Uniq?

Flatten Deep Uniq 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.

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

Popular ways to use Flatten Deep Uniq

Streamline organising research by using Flatten Deep Uniq to work with lists using flexible options.
Share deliverables faster—processed lists are ready for download in seconds.
Combine Flatten Deep Uniq 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 Flatten Deep Uniq 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 Flatten Deep Uniq secure?

Yes. The Flatten Deep Uniq runs entirely in your browser, which means your lists never leave your device.

What can I do with the Flatten Deep Uniq?

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

Can I use Flatten Deep Uniq 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 Flatten Deep Uniq:

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.