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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.
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Remove duplicate lines
Delete repeated lines from a list, keeping the first one.
- Free
- No sign-up
- Works on any device
About Remove duplicate lines
Deletes repeated lines from a list and keeps the first occurrence of each, preserving the original order. Great for cleaning email lists, keyword lists, log extracts and URLs pasted from several sources. Case and surrounding spaces can make two lines look the same but count as different, so use the options.
How to use Remove duplicate lines
- Paste your list with one entry per line.
- Run the tool to drop repeated lines.
- Copy the list that keeps the first of each line.
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.
- Free to embed on your own website, with a ready-made code to copy.
- Available in 10 languages.
Also known as
Frequently asked questions
Why are some duplicates not removed?
Lines that differ by capital letters or by a trailing space are treated as different. Turn on case-insensitive matching and trimming so near-identical lines are caught.
Does it change the order of my list?
It keeps the first copy of each line where it was, so the order of the remaining lines stays as it was. Later repeats are removed.
Can I sort the list at the same time?
Remove the duplicates first, then paste the result into a sorting tool. Doing it in two steps lets you check the unique list before you reorder it.
Is Remove duplicate lines free?
Yes. Remove duplicate lines 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.
Can I put Remove duplicate lines on my own website?
Yes. Use the Embed on your site button under the tool to copy a short piece of code and paste it into your page. It is free, needs no account, and the tool keeps working inside your page.