A few bookmarklets I use. See links below for more.
Drag it to your bookmark bar to install it.
See more at about Bookmarklets in Javascript.
Edit Page

_______Title_______	Compatibility	Description
Enlarge images
Reduce images
HREF visible		Shows links on current page
Show timestamp (date) for page		Timestamp doesn't work on web sites at GoDaddy and some others. If it shows today's date don't believe it.
Google site search prompt for argument
Google site search with selected text		Search in current site with site:www... * Dolphin won't let you go to bookmarks while text is selected.
Google selected text		*
Remember Password		Some sites, including many banks and a few other sites such as Yahoo Mail, tell browsers not to remember passwords for visitors using autocomplete="off". This bookmarklet makes the browser ignore autocomplete="off" temporarily, allowing you to save passwords even on sites that use autocomplete="off"
Bookmarklets for building web pages
Generate href		Generate ink for current page with url & title
Show id		Labels you can go to with #ID e.g. bookmarklets.html#links
Show name
Reveal password

* Dolphin won't let you go to bookmarks while text is selected
-Chrome | -ie | -Firefox | -Safari | -Dolphin

Drag text with gray background to your bookmark bar.
For dolphin on an android phone or tablet see dolphin instructions.

Links:
About Bookmarklets in Javascript
Jesse's Bookmarklets Site
Bookmarklets Home Page - free tools for power surfing
Bookmarklets at Readability.com
Dave's bookmarklet page Bookmarklets, history, exported bookmarks, extensions for Chrome (2020-05-18) Edit Page javascript:document.body.contentEditable = 'true'; document.designMode='on'; void 0 Zap cookies for a page javascript:(function(){C=document.cookie.split("; ");for(d="."+location.host;d;d=(""+d).substr(1).match(/\..*$/))for(sl=0;sl<2;++sl)for(p="/"+location.pathname;p;p=p.substring(0,p.lastIndexOf('/')))for(i in C)if(c=C[i]){document.cookie=c+"; domain="+d.slice(sl)+"; path="+p.slice(1)+"/"+"; expires="+new Date((new Date).getTime()-1e11).toGMTString()}})()