Easily format HTML with customizable indentation levels, minify HTML, and preview your content by uploading files.

Optimize your CSS for faster load times and cleaner code with our free CSS Minifier and CSS Formatter.

Easily compress, minify, and format JavaScript code to enhance readability and performance.

Format and structure SQL queries for better readability and maintenance.

Beautify, minify, validate, and view JSON data with an easy-to-navigate structure.

Format, minify, and validate XML data for improved readability and efficiency.

Convert XML to JSON quickly and efficiently with customizable formatting options.

Transform text by changing case, removing whitespace, and replacing characters efficiently.

Compare text, code, and files instantly with our online diff checker tool — ideal for spotting differences and changes with ease and accuracy.

Preview and analyze SVG files with an intuitive online viewer.

Our online YAML Validator checks for syntax errors and ensuring correct formatting.

Quickly test SMTP connections, ports, and authentication. Diagnose email delivery issues and simulate sending—all in one easy tool.

Analyze full email headers to trace origin, verify SPF/DKIM/DMARC, and detect spam, spoofing, or delivery issues.