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Create a QR code for a link, Wi-Fi, WhatsApp, contact and more, or read one from a photo.
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Fill in the details to see your QR code.
PNG for phones, chats and websites. SVG and PDF stay sharp at any size, which is best for printing. Tip: point your phone camera at the preview to test it.
3. Style (optional): colors, dots, logo
Choose a photo or screenshot or drag it here
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Remove duplicate rows
Delete duplicate rows from a CSV by any columns you choose.
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- Works on any device
About Remove duplicate rows
Delete repeated rows from a CSV, comparing either entire rows or only the columns you choose, such as email. The first occurrence is kept. This is the standard fix for mailing lists merged from several sources, where one person appears three times.
How to use Remove duplicate rows
- Open or paste your CSV data.
- Choose the columns that decide whether a row is a duplicate.
- Download the CSV without the repeated rows.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
Which duplicate is kept?
The first occurrence stays and later matches are removed. Sort the file first if you want to keep a particular version, like the newest.
Why are some obvious duplicates not removed?
Extra spaces or different capital letters make values differ. Clean them first, then run the removal on the same columns.
Should I choose all columns or only some?
Choose only an ID or email column to catch repeats of the same person. Choosing all columns removes only rows that are identical in every field.
Is Remove duplicate rows free?
Yes. Remove duplicate rows on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.