Bug, Feedback, and Crash Reporting Tool for Your Mobile App

25 Best Bookmarklets for Firefox, Safari and Opera

Bookmarklets are small javascript scripts that can be saved as in a normal bookmark, you just have to drag & drop them in the bookmarks toolbar, either if you use Safari, Firefox or Opera.

Here’s a list of top 25 bookmarklets I found really,really useful.

Just drag them to your toolbar to start using them!

Windows and Tabs

Split Horizontally

Split Vertically

Mac Apps

Post with Marsedit

Post with Ecto

Post with Tweetie

Retweet a page with Tweetie

Web Development

Firebug Lite

Validate CSS

List Images

Show Images + Pixel

WHOis Lookup

Draggable Screen Ruler


960 Gridder

960 Gridder is an excellent tool for any web developer/ designer that wants to easily align, match and/or lay out websites.

SEO browser

SEO Browser is a fast, efficient, and comprehensive SEO analysis tool that can help you examine and understand the component parts of a Web page.


GmailThis! is an easy way to make a Gmail email without visiting Once you add the GmailThis! link to your browser’s toolbar, emailing will be a snap.

Or rather, a click.

Google PageRank

Just drag and drop the Google PageRank bookmarklet to your favorites bar and click on it whenever you want to check the PageRank of any given page.

Quick W3C Validator

Validate HTML

Extract link in a new page

Tiny URLs - Threely


You can find many other bookmarklets here:

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Club MacStories offers exclusive access to extra MacStories content, delivered every week; it’s also a way to support us directly.

Club MacStories will help you discover the best apps for your devices and get the most out of your iPhone, iPad, and Mac. It’ll also give you access to advanced iOS shortcuts, tips and tricks, and lots more.

Starting at $5/month, with an annual option available.

Join the Club.

A Club MacStories membership includes:

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