Remove Duplicate Rows
Result
About This Spell
With a wizard's whisper, Remove duplicate rows from a CSV by matching on key columns or by entire row when no keys are specified. Preserves the first occurrence and keeps the header if present.
How to Cast the Spell
- Paste CSV data.
- Optionally set header, delimiter, and quote.
- Provide key columns (names or indexes) or leave blank to dedupe full rows.
- Click Deduplicate.
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.
“The wizard does everything I need. I can merge sensitive PDFs without a second thought.”
— Morgan, legal operations lead
What is CSV Deduplicator?
CSV Deduplicator is a free data wrangler from WizardOfAZ. Use it to work with CSV files using flexible options as part of your analytics and reporting, without installing extra software.
Popular ways to use CSV Deduplicator
- Streamline analytics and reporting by using CSV Deduplicator to work with CSV files using flexible options.
- Share deliverables faster—processed tabular datasets are ready for download in seconds.
- Combine CSV Deduplicator 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 CSV files using flexible options, and download the processed result instantly.
- Bookmark the CSV Deduplicator 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 CSV files using flexible options.
Frequently asked questions
Is the CSV Deduplicator secure?
Yes. The CSV Deduplicator runs entirely in your browser, which means your spreadsheets never leave your device.
What can I do with the CSV Deduplicator?
You can analytics and reporting by processing tabular datasets without uploading them to an external service.
Can I use CSV Deduplicator 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 CSV Deduplicator:
- CSV Filter — Use it to work with CSV files using flexible options.
- CSV Merge Join — Use it to merge tabular datasets into a single download.
- CSV Sampler — Use it to work with CSV files using flexible options.