テキスト 重複除去

Count characters, words, lines, paragraphs & UTF-8 bytes

Convert text to bold, italic, script, gothic, circled and other fancy Unicode fonts

Live Markdown preview supporting headings, lists, code blocks, and quotes

Convert to upper/lower/capitalized/sentence case or swap

Diff two text blocks line by line, red for removed, green for added

Line operations: sort, reverse, number, shuffle, deduplicate, extract columns

Extract all email addresses from text with auto-deduplication

Extract Chinese mobile numbers from text, supports +86 prefix