Two tools. Obfuscate your email addresses and prevent hackers from hijacking your inbox. The obfuscator optionally can obfuscate the name portion, and build the entire email link (with optional no follow directive). Also can check MX Records.
Developer Docs
One tool. Documentor-style can be seen live to document the
PHPMailer Pro class. Note: this is for PHP classes only. Upload your single-file class, nothing retained on our servers, nothing executed. An HTML document is created which you download to your computer (also not retained).
Image & Photo
Four tools. Only formats accepted are GIF, HEIC, JPG, JPEG, PNG or WEBP. Resize & compress or Compress only. Maintains transparencies for GIF & PNG files. You can select quality levels for JPG/JPEG files. Also includes Image Converter, EXIF reader, and ability to add watermarks to photos.
IP & Geo
Two tools. Can check any IP address for blacklisting. Can also check your own IP address with What Is My IP.
Minify
Two tools. Condense the size of your CSS and Javascript files to absolute minimums. Removes comments and removes all unnecessary spacing.
Marketing Tools
Three tools. A marketing and season calendar (man, I wish this would have been available when I was a marketing executive). QR code generator (can insert image in center), and a vCard generator.
Website Design
Eleven tools. Tools to help designers. HTML characters (entities), huge list of Unicode characters, .htapassword generator, meta keyword generator, meta tag generator, robots.txt generator, Lorem Ipsum generator, sitemap generator. Plus two links for downloadable images and website templates.