SEO
Robots.txt: Block Bots Without Breaking Your Site
A wrong line in robots.txt can deindex your site. Here's how to write one safely — and a free generator with presets.
Blog
Tips, guides, and tutorials for our free online tools.
Generators
Fake Addresses for Testing: What Works and Why
Testing address forms with real data is risky. Here's how to generate realistic fake addresses — with a free tool.
Developer
Text to Hex: Why You'd Convert Text to Hexadecimal
Hex encoding shows up in debugging, color codes, and byte dumps. Here's how it works and a free tool to convert text.
Text
Sorting Text Lines: Alphabetical, Numeric, by Length
Need to alphabetize a list or sort by line length? Here's how — plus a free tool that handles it instantly.
Designer
CSS Border-Radius: Circles, Ellipses, and More
Border-radius is more than just rounded corners. Here's how to make circles, blobs, and organic shapes — with a free tool.