Text tools
Free online text tools: compare text, convert case, test regular expressions and preview Markdown — all processed locally in your browser.
Text Diff Compare
Compare two blocks of text line by line and see exactly what was added and removed.
Open toolRegex Tester
Test JavaScript regular expressions with live match highlighting, flags and capture groups.
Open toolText Case Converter
Convert text between UPPERCASE, lowercase, Title, camelCase, snake_case, kebab-case, slug and more.
Open toolMarkdown Editor
Write Markdown and preview the rendered HTML live, entirely in your browser.
Open tool