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Compare two text files, code snippets, or configuration payloads line-by-line, word-by-word, or as a unified patch.

Test, match, and replace regular expressions with real-time capture group extraction and flag configuration.

Convert text, identifiers, and variables between camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, Title Case, dot.case, and path/case.

Convert Markdown into safe, standalone HTML for previewing and copying.

Escape and unescape special characters, quotes, and control sequences for JavaScript, JSON, C/C++, Python, SQL, and regex literals.

Sort lines of text alphabetically, numerically, by string length, deduplicate lines, reverse line order, or shuffle randomly.

Clean extra whitespace, strip blank lines, collapse consecutive spaces, and convert between multi-line lists and single-line text.

Find and replace text patterns using plain text matching or regular expressions, with case-sensitivity, whole-word matching, and count statistics.

Count words, characters (with and without spaces), sentences, paragraphs, lines, reading time, speaking time, and word frequencies.

Convert article headlines, titles, and text strings into clean, SEO-friendly URL slugs with customizable separators and transliteration.