Text Tool

Supprimer les lignes en double

Supprimez les doublons en ligne dans vos listes de texte, exports et journaux en quelques secondes.

This tool is useful when lists become messy after copy-paste, exports, merges, or AI generation. Paste one item per line, remove duplicates, and keep the first clean occurrence without rebuilding the list by hand.

Fonctionne dans le navigateur Sans inscription Resultat immediat

Zone Outil

Tout fonctionne dans le navigateur.

Comment l’utiliser

  1. Paste one item per line into the input.
  2. Choose whether duplicate checks should ignore letter case.
  3. Copy the cleaned list.

Cas d’usage courants

  • Clean keyword exports.
  • Deduplicate email, tag, or URL lists.
  • Fix repeated values after merging spreadsheets or AI outputs.

FAQ

Does it keep blank lines?

Blank lines are removed by default so the output stays tighter and easier to reuse.

Can I treat uppercase and lowercase as the same value?

Yes. Turn on the ignore-case option before processing so values like Test and test are treated as the same line.

Outil precedent Supprimer les lettres Outil suivant Supprimer les mots en double