Is s3blog.org Safe?

Oleksandr's Support Site Creator of several important FireFox / Mozilla Add-ons. [Menu Wizard] Customize menus : Helps removing, moving and renaming menus and menu items [Screengrab] Screengrab! saves webpages as images. [Download Manager (S3)] View and manage downloads from a tidy statusbar [Multi Web Search] Find the most relevant information from the Web with a single request to different search engines and get the results on a single page. [S3.Google Translator] S3.Google Translator adds the power of Google Translate’s automatic translations to your browser! It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages. [Torrent Tornado] A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software! [Forecastfox] Get international weather forecasts from ***** and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension. [CryptoData] Easily and quickly to encrypt / decrypt: Private messages via e-mail, blogs, social networks, forums, websites, images, etc [Extended Copy Menu] Provides the option to copy selection as plain text or html. [Fetch Text URL] Open text URLs from the context menu. [Fox Web Security] Protection from adult content (parental control) and from dangerous sites.

Now it is called Screengrab (fix version) and works with all Firefox versions. but the end see ***** Not available for Firefox 37.0