Format, minify, and preview HTML with customizable indentation and file upload support.

Clean up and optimize your CSS for readability and faster load times.

Compress, minify, and format JavaScript code for clarity and performance.

Validate YAML files for accurate configuration management.

Beautify, validate, and explore JSON data in a structured view.

Format, compress, and validate XML for better readability and efficiency.

Convert XML into JSON instantly with flexible formatting options.

Beautify and structure SQL queries for readability and debugging.

Compare text, code, or files side by side to spot differences quickly.

Easily transform text: adjust case, strip whitespace, or replace characters.

Test SMTP connections, ports, and authentication to diagnose delivery issues.

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

Check your domain's DMARC record in seconds with our free lookup tool.

Validate your domain's SPF record with our free SPF Checker tool.

Lookup Autonomous System Numbers (ASNs) to get details about IP ranges, network providers, countries, and related information instantly.

Check your domain's MX records and mail server configuration instantly. Get mail exchange servers, priority values, IP addresses, ASN, plus A, AAAA, and CNAME records for complete email and domain infrastructure visibility.

Preview and inspect SVG graphics with an intuitive online viewer.

Convert Unix timestamps to readable dates or dates to timestamps instantly. Supports seconds, milliseconds, and microseconds.

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