Free Online Text Tools
Counting, case conversion, diffing, dedupe, filler copy and Markdown preview — everyday writing utilities that finish in one step and never leave your browser.
Word Counter
Live character, word, sentence & paragraph counts plus reading time
Open tool →Case Converter
Convert between 9 styles: UPPER, camelCase, snake_case and more
Open tool →Text Diff
Line-based LCS diff for two texts with clear add/remove marks
Open tool →Dedupe & Sort
Dedupe, sort, reverse, trim & shuffle with 50-step undo
Open tool →Lorem Ipsum Generator
Generate classic Lorem Ipsum by paragraphs, sentences or words
Open tool →Markdown Preview
Safe local Markdown rendering with live preview and HTML copy
Open tool →Regex Tester
Test regular expressions live: match highlighting, capture groups, presets
Open tool →Regex Generator
One-click common patterns with segment-by-segment notes, plus body/anchor/quantifier assembly
Open tool →Why these text tools?
Local processing
Counting, converting and diffing all run as browser JavaScript — drafts and snippets are never uploaded.
Live feedback
Results appear as you type: counts and reading time refresh instantly, and the Markdown preview re-renders while you write.
CJK-aware
Word counting and case conversion treat CJK text per character and Latin text per word, matching how mixed-language writing actually works.