Online Tool Store
Duplikatzeilen-Entferner
Doppelte Zeilen entfernen und Reihenfolge bewahren, benachbarte Läufe wie uniq zusammenfassen oder nur wiederholte Zeilen anzeigen. Groß-/Kleinschreibung und Leerzeichen anpassbar. Browser-basiert.
🔒 Dieses Tool läuft vollständig in Ihrem Browser. Ihre Dateien werden niemals an einen Server hochgeladen.
Everything happens in this page and nothing is uploaded, which matters if the list is a set of email addresses, exported customer records or log output. Note that "first of each" preserves the original order, so it is safe on data where order carries meaning — sorting is a separate choice.
How Duplikatzeilen-Entferner works
- Open Duplikatzeilen-Entferner and review the example state before entering your own values.
- Enter or select the information needed for Duplikatzeilen-Entferner.
- Review the result and adjust the inputs if you want to compare another case.
Remove duplicate lines while keeping the original order, collapse adjacent runs the way uniq does, or list only the repeated lines. Optional case and whitespace insensitivity affects the comparison, never your text. Runs in your browser. The interactive workspace runs in your browser, so you can review the result without creating an account.
FAQ
What is Duplikatzeilen-Entferner used for?
Remove duplicate lines while keeping the original order, collapse adjacent runs the way uniq does, or list only the repeated lines. Optional case and whitespace insensitivity affects the comparison, never your text. Runs in your browser.
Do I need an account?
No. The tool is available directly in the browser without an account or sign-up.
What should I do if the result looks unexpected?
Check the entered values and compare them with the guidance shown in Duplikatzeilen-Entferner. Use the result as a planning aid and verify important decisions independently.