How To: Adding Download Button for YouTube, for Mozilla Firefox.

Download YouTube Videos as MP4 is an add-on for Mozilla Firefox which lets you download YouTube videos in MP4 or flash (.flv) format.

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HowTo: Find out the Website affected by Heartbleed Bug.

Heartbleed Notifier is an add-on for Mozilla Firefox which notifies you of sites affected by Heartbleed Bug. Heartbleed is a security bug in the open-source OpenSSL cryptography library, which is widely used to implement the Internet's Transport Layer Security (TLS) protocol. Since the majority of the websites use this protocol, it is estimated that two thirds of the websites are infected by this bug.

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