Supprimer les lignes en double
Supprimez les lignes en double d'un texte.
Paste text to remove duplicate lines while preserving the original order. Optionally trim each line and ignore case when comparing. The original and final line counts are shown. Everything runs locally in your browser.
- Lignes d'origine
- 0
- Lignes finales
- 0
Votre saisie est traitée localement dans votre navigateur — rien n'est envoyé, stocké ni journalisé.
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Comment ça marche
- 1 Paste your lines.
- 2 Choose trim and ignore-case options.
- 3 Copy or download the de-duplicated result.
Cas d'usage courants
- Clean up a list of emails or URLs.
- Remove repeated log lines.
- De-duplicate keywords.
- Tidy exported data.
Questions fréquentes
Is my text sent to a server?
No. Everything runs locally in your browser — your text is never uploaded, stored or logged.
Is the order preserved?
Yes. The first occurrence of each line is kept in its original position.
Is it really free?
Yes — free, with no signup and no limits.