Tamper Data Specifications
View and edit HTTP or HTTPS headers and post parameters.
This freeware Firefox add-on helps Web site administrators easily test page post and header data exchange. Tamper Data's Firefox-based sidebar is very easy to install and operate. The program's online Help explains the app well enough to teach inexperienced site builders.
Edit and view PDF files directly in Google Chrome.
Jump back to the top of any page when browsing the Web.
Download a Web site to local directory for offline browsing.