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Discover tools from different categories to expand your toolkit beyond Health.

Check DNS records (A, MX, CNAME, etc.) with our free DNS lookup tool. Fast and reliable DNS record checker for domain diagnostics.

Convert images between formats including JPG, PNG, WebP, and GIF. Free online image format converter with no registration needed.

Convert between frequency units including hertz, kilohertz, megahertz, gigahertz, and RPM. Essential for electronics, radio, and sound engineering.

Calculate your fertility window and most fertile days for conception. Advanced fertility tracking with multiple calculation methods.