Ask HN: Most Useful Bookmarklet?

I find <a href="http://www.sprymedia.co.uk/article/Design" rel="nofollow">http://www.sprymedia.co.uk/article/Design</a> Design to be really handy when I'm making sure text line cadence is right. It's handy all around for design: powerful grid, rulers, measuring, and targeting tools.<p><a href="http://westciv.com/xray/" rel="nofollow">http://westciv.com/xray/</a> XRAY keeps a spot on my bookmark bar. It's an HTML-traversing bookmarklet that lets me figure what's going on with underlying HTML and positioning CSS without leaving the page. It's been somewhat marginalized since Safari's Web Inspector started rocking so hard.<p>They; InstaPaper (also great); and Delicious/Facebook/Yahoo Bookmarks share/post bookmarklets are what currently dominate my bookmark bar.

<a href="http://www.instapaper.com/" rel="nofollow">http://www.instapaper.com/</a> – definitely. It's so darn useful.

This JavaScript console w/ autocompletion, etc: <a href="http://tlrobinson.net/misc/console_bookmarklet.html" rel="nofollow">http://tlrobinson.net/misc/console_bookmarklet.html</a>

<a href="http://turtle.dojotoolkit.org/~david/recss.html" rel="nofollow">http://turtle.dojotoolkit.org/~david/recss.html</a>

"Gmail This" is great: <a href="http://contrapants.org/blog/2005/07/gmailthis.html" rel="nofollow">http://contrapants.org/blog/2005/07/gmailthis.html</a>

The only ones I use are "Post to Tumblr" and "Save to pHome.us" (my site).<p>I submitted this handy bookmarklet the other day: <a href="http://news.ycombinator.com/item?id=206066" rel="nofollow">http://news.ycombinator.com/item?id=206066</a><p>It translates between local and remote urls, including the stuff after the domain. <a href="http://example.local/user/foo" rel="nofollow">http://example.local/user/foo</a> becomes <a href="http://www.example.com/user/foo" rel="nofollow">http://www.example.com/user/foo</a>

<a href="http://www.blummy.com/" rel="nofollow">http://www.blummy.com/</a> "The bookmarklet management bookmarklet"<p>Sorry for the plug, but it fits well :) Since I wrote Blummy, I have not changed it much, but IMO it is still useful. The database contains 400 bookmarklets to add to your own blummy.<p>Also see <a href="http://alexander.kirk.at/2006/08/02/unknown-blummy-treasures/" rel="nofollow">http://alexander.kirk.at/2006/08/02/unknown-blummy-treasures...</a>

I like the one for <a href="http://faves.com" rel="nofollow">http://faves.com</a>, primarily because it's the social bookmarking app most of my friends use. Del.icio.us is the other one.

I tip sites I like with this: <a href="http://tipjoy.com/bookmarklet" rel="nofollow">http://tipjoy.com/bookmarklet</a><p>We're going to expand on the functionality soon.

The one that I use to post the current page to del.icio.us with. I've clicked it several thousand times in the past few years.

Tinyurl: <a href="http://tinyurl.com/" rel="nofollow">http://tinyurl.com/</a>

<a href="http://newsconomy.com/" rel="nofollow">http://newsconomy.com/</a>

<a href="http://www.plum.com" rel="nofollow">http://www.plum.com</a>

The bookmarklet for the app I'm building... :)