Text toolkit online

Text Tools

12 independent utilities — diff, case, count, slug, regex, and more. Each with its own API.

Compare

Text Diff CheckerLine-level unified/side-by-side diff with change stats and optional ignore-whitespace.Text CompareSimilarity score, edit distance, and longest common subsequence between two texts.

Transform

Case ConverterConvert text between camelCase, snake_case, kebab-case, Title Case, and more.Remove Duplicate LinesDeduplicate lines with keep-first/keep-last modes and case-insensitive matching.Sort LinesSort lines alphabetically, numerically, by length, or randomly with options.Reverse TextReverse characters, words, or lines — including Unicode-aware grapheme reversal.

Analyze

Word CounterCount words, sentences, paragraphs, reading time, and top keyword frequencies.Character CounterCharacter, byte, Unicode, and whitespace analytics with encoding estimates.

Generate

Lorem Ipsum GeneratorGenerate classic or modern placeholder copy by words, sentences, or paragraphs.Slug GeneratorCreate SEO-friendly URL slugs with transliteration, max length, and separator control.

Regex

Regex TesterTest Python regex with flags, match groups, replace preview, and timing.Regex GeneratorBuild common regex patterns from intent presets with explanations and examples.