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Line operations: sort, reverse, number, shuffle, deduplicate, extract columns
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
Remove duplicate lines with options for case, blank lines, and order
Convert to upper/lower/capitalized/sentence case or swap
Diff two text blocks line by line, red for removed, green for added
Extract all email addresses from text with auto-deduplication
Extract Chinese mobile numbers from text, supports +86 prefix