- Any Firefox
- Firefox 52.0
- Firefox 50.0
- Firefox 44.0
- Firefox 43.0
- Firefox 39.0
- Firefox 30.0
- Firefox 20.0
570 matching results
Search Results for tag "jetpack"
Shows a list of live & upcoming Programming Contests happening on various popular competitive programming platforms with the feature to add these events to your google calendar.
Available on Android too.
An alternate BuiltWith add-on which shows info in a background browser tab.
This add-on simulates colorblindness to help web site developers in creating more accessible web sites.
Since I'm not a colorblindness expert, the simulations might not be accurate. However, it seems OK when compared with other simulators.
View pretty CSV directly from within Firefox and Thunderbird.
Photoshop-like guides and rulers interface on a web page. Guides are created by click-and-dragging corresponding horizontal or vertical ruler. It is possible to open/save created guides as grids (Note: grids will be saved on a page location basis).
GTmetrix gives you insight on how well your site loads and provides actionable recommendations on how to optimize it. It gives you the full picture on how your site loads and helps you detect where bottlenecks are.
Web Vulnerability Scanner allows web developer and code debugger to scan for the SQLi and XSS vulnerabilities with a dynamic attack injection. The tool also contains the HTTP viewer, Base64, URL encoding and decoding.
Displays your GitHub notifications unread count.
The LRT Power*Trust metric helps you evaluate the quality and trustworthiness of a domain or page you are currently visiting.
Run javscript (or html) code in the context of a webpage
Allows to copy code blocks with 'Copy' to clipboard or with a right click rather than selecting & copying codes. A handy tool for working with technical docs on GitHub, Python, WordPress Codex, jQuery, Bootstrap, npm, Stackoverflow and many more.
Convert any local or web image to standard or custom icon sizes with Data URI provided. Useful for making favicon, avatar etc. Also allows viewing/saving the favicon of websites.
Adds a table of contents to repositories, gists and wikis on GitHub
An add-on to add basic Ensighten debugging functionality to Firefox
A simple way to check the security of the website you're visiting using the SSLLabs and SecurityHeaders sites.
A free tool that lets you check if any domain is running WordPress, Drupal or Joomla, the CMS version and any known security vulnerabilities.
Add a text label* to your Firefox icons in OS X
*To set or edit your label, go to the Add-on's preferences (press Shift-Command-a)
Adds a View Page Source button to the toolbar
Visual feedback tool for website developers and designers