Opera debuts Web developer tool for smartphones and PCs

Dragonfly allows developers to make changes on the fly in Opera's browsers

Opera Software has released Dragonfly, a development and debugging tool integrated into its browsers, the company said on Thursday.

The tool is platform agnostic and works with both Opera Mobile for smartphones and tablets and the desktop versions of its browser.

The Norwegian company recommends using the latest version of the browser, but all versions from Opera 9.5 are supported. Users of the iPhone and the iPad are out of luck, because Opera Mobile isn't available for Apple's smartphone, and Dragonfly is incompatible with Opera Mini. But owners of Mac desktops or laptops are welcome.

With Dragonfly developers can examine font and style changes live, and debug Scalable Vector Graphics (SVG) or Java scripts. Color-picking tools allow users to match colors, and then save them in a palette for later use.

Dragonfly also allows developers to keep an eye on network loads, resources and storage. It shows users how items load, how cookies and HTML5 Web Storage operate, and how different resources, including images and videos, affect site performance and compatibility.

To start using Dragonfly, users right-click on the Web page and select "Inspect Element", and then they are up and running, according to Opera.

By default Opera Dragonfly is placed at the bottom of the browser window. However, for developers with a second or larger monitor, there is a also a detached mode, which allows the code to be placed elsewhere on the screen, or moved to the other monitor, Opera said.

Dragonfly is what Opera calls a hybrid web application, which means the user never has to update it; the latest version is always pulled from the Web, according to the company. Also, the tool will always be compatible with the version of Opera used, it said.

Opera isn't the only browser that offers integrated developer tools. Other options include Firebug for Firefox and Developer Tools for Google's Chrome browser.

For developers who want to learn more about Dragonfly, Opera has published a Field Guide on its website.

Send news tips and comments to mikael_ricknas@idg.com

Join the Good Gear Guide newsletter!

Error: Please check your email address.
Rocket to Success - Your 10 Tips for Smarter ERP System Selection

Tags application developmentapplicationsopera softwarebrowserssoftware

Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Mikael Ricknäs

IDG News Service
Show Comments

Most Popular Reviews

Latest Articles

Resources

PCW Evaluation Team

Matthew Stivala

HP OfficeJet 250 Mobile Printer

The HP OfficeJet 250 Mobile Printer is a great device that fits perfectly into my fast paced and mobile lifestyle. My first impression of the printer itself was how incredibly compact and sleek the device was.

Armand Abogado

HP OfficeJet 250 Mobile Printer

Wireless printing from my iPhone was also a handy feature, the whole experience was quick and seamless with no setup requirements - accessed through the default iOS printing menu options.

Azadeh Williams

HP OfficeJet Pro 8730

A smarter way to print for busy small business owners, combining speedy printing with scanning and copying, making it easier to produce high quality documents and images at a touch of a button.

Andrew Grant

HP OfficeJet Pro 8730

I've had a multifunction printer in the office going on 10 years now. It was a neat bit of kit back in the day -- print, copy, scan, fax -- when printing over WiFi felt a bit like magic. It’s seen better days though and an upgrade’s well overdue. This HP OfficeJet Pro 8730 looks like it ticks all the same boxes: print, copy, scan, and fax. (Really? Does anyone fax anything any more? I guess it's good to know the facility’s there, just in case.) Printing over WiFi is more-or- less standard these days.

Ed Dawson

HP OfficeJet Pro 8730

As a freelance writer who is always on the go, I like my technology to be both efficient and effective so I can do my job well. The HP OfficeJet Pro 8730 Inkjet Printer ticks all the boxes in terms of form factor, performance and user interface.

Michael Hargreaves

Windows 10 for Business / Dell XPS 13

I’d happily recommend this touchscreen laptop and Windows 10 as a great way to get serious work done at a desk or on the road.

Featured Content

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?