Code & Markup

Pick a tool below. Everything runs locally in your browser — your input stays on your device.

• Text / Code Diff Checker Compare text or code with readable diff output
• Regex Tester Test regex patterns with live highlighting
• HTML Formatter Format or minify HTML code
• Code Formatter Format CSS, JS & TypeScript with Prettier
• Markdown to HTML Convert Markdown to HTML
• XML Formatter & Validator Format, minify, and validate XML
• SQL Formatter Format SQL queries with dialect-aware rules
• Cron Expression Parser Explain cron schedules and preview upcoming run times
• cURL to fetch / Axios Convert curl commands into fetch or axios code
• HTML to JSX Converter Convert pasted HTML into JSX-friendly markup