Remove Duplicate Lines
Paste your text below and remove all duplicate lines with one click. Choose to keep the first or last occurrence.
How to use
The Remove Duplicate Lines is a free online tool — no sign-up or download is required. Paste or type your text below, then click any case style to convert it instantly. Perfect for fixing ALL-CAPS headings, normalizing titles, or creating stylized text.
- Type or paste your text into the input box.
- Click one of the case buttons — UPPERCASE, lowercase, Title Case, Sentence case, or aLtErNaTiNg.
- The converted text appears in the result box below.
- Click Copy Result to copy it, or Clear All to start over.
Frequently asked questions
What does the Remove Duplicate Lines do?
Paste or type your text below, then click any case style to convert it instantly. Perfect for fixing ALL-CAPS headings, normalizing titles, or creating stylized text.
How do I use the Remove Duplicate Lines?
Open the Remove Duplicate Lines page, enter or upload your input using the form above, then click the main action button to get your result instantly. You can copy or download the result when you are done. No sign-up or installation is needed.
Is the Remove Duplicate Lines free to use?
Yes. The Remove Duplicate Lines is completely free, like every tool on SEO Tools by metacalculator.org. There is no sign-up, no watermark and no hidden limits.
Is my data private when I use the Remove Duplicate Lines?
Yes. This tool runs entirely in your browser, so your input never leaves your device. Nothing is uploaded, stored or shared.