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Count characters, words, sentences, paragraphs, lines, UTF-8 bytes, and reading time for content limits, API fields, and multilingual copy checks.

Convert text between uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, kebab-case, and related naming styles.

Find and replace text with plain matching, case-sensitive matching, global replacement, and regex replacement for copy, config snippets, and logs.

Clean extra blank lines, repeated blank lines, leading and trailing whitespace, and trailing spaces from pasted text, logs, and drafts.

Process multiline text with line deduplication, sorting, numbering, prefix/suffix insertion, filtering, joining, splitting, and per-line regex replacement.