This is very simple. You need to use the ffmpeg tool. If your file is named my_file.mkv then use this command:

The output will be out_file.avi with directly copy the audio and video streams from the mkv to an avi .

To make sure that you are connected to the right secure website you can use Fingerprints website. You compare the fingerprint of its certificate in your browser against a trusted source that provides you with fingerprint records. Looking up fingerprint certificates because each web browser handles this in a different… Continue Reading Use Fingerprints to check web server’s secure connection certificate.

If you use Mozilla browsers like Firefox, Iceweasel or else the is a way to make it faster. Just disabling hardware acceleration seems to have made Firefox open drastically faster. Go to browser settings Options – Advanced and uncheck Use hardware acceleration when available, see next image:

We use an extension that accesses a site specialized. This is the extension named: TinEye Reverse Image Search After installation, we can use it easily by clicking the right mouse. In the menu that appears, we will find this tool: on TinEye Image Search. Click on it and you will… Continue Reading How to find duplicates of an image on Internet ?