Just a collection of (hopefully) useful stuff. Free, as in free to use and share with others ;)
My English blog mostly contains tools I built, or scripts I wrote / adapted for my own use. It's useful for me, and hopefully useful for you as well.
Structured Data Testing Tool Bookmarklet (Update
Regex: filter links from HTML (Update
Extract first sentence (Update
Remove double trailing slashes (Update
Aspect ratio calculator (Update