Add line numbers

Préfixe chaque ligne par son numéro, aligné sur la largeur totale.

UPPERCASElowercaseSentence caseTitle CaseCapitalized CaseaLtErNaTiNg cAsEiNVERSE cASEcamelCasePascalCasesnake_casekebab-caseCONSTANT_CASEReverseClean whitespaceDedupe linesSort linesSlugifyBase64 encodeBase64 decodeURL encodeURL decodeHTML escapeHTML unescapeStrip MarkdownROT13Text to binaryBinary to textText to hexHex to textS̶t̶r̶i̶k̶e̶t̶h̶r̶o̶u̶g̶h̶U̲n̲d̲e̲r̲l̲i̲n̲e̲uʍop ǝpᴉsdnɿoɿɿiMStrip HTMLExtract emailsExtract URLsAdd line numbersShuffle linesPick a random lineJoin linesConvert to LFConvert to CRLF
Caractères: 0 | Mots: 0 | Lignes: 0

Add line numbers

Prefixes each line with its 1-based line number, padded so the colons line up vertically. Quick way to reference lines when sharing a snippet.

1: First line 2: Second line

© 2026 ConvertCaseHQ. Tous droits réservés. Loaded in 0.6892s.