Developer Tools

Base64 Encode / Decode Encode text or data to Base64 format and decode Base64 strings back to plain text. URL Encode / Decode Encode strings for safe use in URLs and decode percent-encoded URL strings. JSON Formatter & Validator Format, beautify and validate JSON with syntax highlighting and error detection. YAML to JSON Converter Convert YAML configuration files to JSON format instantly. JSON to YAML Converter Convert JSON data to YAML format for cleaner configuration files. Regex Tester Test and debug regular expressions with live match highlighting and group capture display. Text Diff Checker Compare two blocks of text side by side and highlight the differences. Lorem Ipsum Generator Generate placeholder Lorem Ipsum text for designs, mockups and prototypes. HTML Escape / Unescape Escape special HTML characters to entities and unescape HTML entities back to characters. Markdown Previewer Preview rendered Markdown output in real time as you type. Case Converter Convert text between camelCase, snake_case, PascalCase, kebab-case, UPPER_CASE and more.