There are some web browsing add-ons, which help web users to save time and improve the performance. So, you can check for web browser add-ons, available for web users.
1) Firebug:
One of most powerful add-on used for Mozilla web browsing. With Firebug tool, you are able to edit, debug, and monitor CSS, HTML, and JavaScript’s with an ease.
Browser: Mozilla Firefox
Some of the important features of Firebug are:
a) Inspecting HTML files has become an easy task. Also, you can modify the layout of the page in real-time.
b) Firebug is one of the most powerful and advanced JavaScript debugger, which is available for Mozilla browser.
c) It has provided users most accurate performance.
2) PHP Ninja Manual:
This add-on provides you all the PHP 5.5 documentation with examples in 8 different languages.
Browser: Google Chrome
Some of the important features of PHP Ninja Manual are:
a) The tool helps you to fix many parser related bugs easily.
b) Also, there is some enhanced design used like colors, syntax highlighting.
3) Greasemonkey :
Another powerful add-on used for Mozilla web browsing is Greasemonkey. With this add-on, you can easily customize a web page.
Browser: Mozilla Firefox
One of the important features of Greasemonkey is:
a) Greasemonkey scripts are helpful to run per instance of a matching web page.
4) iMacros for Firefox:
iMacros is one of most popular add-on, where you can automate Firefox. It helps you to record and replay the repetitive tasks. You can save a lot of time and money with iMacros.
Browser: Mozilla Firefox
Some of the important features of iMacros are:
a) iMacros helps you to download and upload text, images, files, and web pages.
b) You can easily import and export data from web applications.
c) Also, you can record and replay repetitious work, which helps to save time.
d) iMacros is supportive to Unicode and works with every language.
5) Stylish:
As the name suggest, you can restyle the web with a stylish add-on. You can install themes as per the need of the site.
Browser: Mozilla Firefox
Some of the important features of Stylish are:
a) You can easily customize Mozilla browser and programs by themselves.
b) It helps to easily add, delete, enable-disable user styles.
c) Also, you can use user styles as themes on the interface of Mozilla Firefox.
6) Ghostery:
Ghostery helps you to detect bugs and block tracking technologies.
Browser: Google Chrome
Some of the important features of Ghostery are:
a) It helps to speed up page load.
b) You can easily protect your web data.
7) User Agent Switcher:
One of most improved version is User Agent Switcher.
Browser: Mozilla Firefox
Some of the important features of User Agent Switcher are:
a) You can use the toolbar button to switch the user agent of a browser.
b) You can easily modify javascript objects in the page.
8) Handcraft:
Handcraft is used for prototyping tool from HTML, JavaScript & CSS.
Browser: Google Chrome
Some of the important features of Handcraft are:
a) You can build interactive prototypes, includes state change, error messages.
b) Add-on is supportive for HTML, JavaScript & CSS.
These add-ons would definitely help you to save time and improve performance. If you know or have used some other add-ons or plugins, you can share them with us in comments.