Rename Multiple Files (Windows)

With the rename function of Windows that is called with F2 you can rename great amounts of files simultaneously. This is done by selecting all files at once and pressing F2. You are then asked to rename one of the files, but the input will apply to all selected files - to distinguish between the equally named files, an ascending number will be appended to the file name in parentheses:

Save Time On Windows Start-up

To boot your Windows machine faster, it is possible to disable the graphical user interface used during system start-up (the Windows logo loading screen). To accomplish that, hit Windows key + R on your desktop to call a Run prompt and enter msconfig. On the appearing window, go to the Boot tab and activate the No GUI boot checkbox. Hit Apply and/or OK and reboot the machine afterwards for the changes to take effect.

Facebook Explorer – Gadget for Windows 7 Sidebar

Facebook has become a popular way for communication, but is still quite unhandy because it requires a full browser window to be properly visible. To circumvent this problem you can install Facebook Explorer into your Windows 7 Sidebar and let the new messages be indicated right on your desktop:

You can download Facebook Explorer here:
Facebook Explorer grants you access to all major and frequently used functions of facebook like messaging,notifications, liking and commenting.

Twitter Gadget for Windows 7 Sidebar

Since there are many people out there who frequently use twitter to stay up to date on news or in touch with people, a lot of gadgets have come up to speed up the use of twitter by sticking it to the desktop. One of those is Sidechirp, which adopts many functions of the actual twitter homepage, like viewing tweets and your personal messages, posting new tweets and following trends:

Download Sidechirp here:

System Control Gadget for Window 7 Sidebar

System Control is the right gadget if you are looking for functionality on low space use - it combines buttons for the regular system commands such as shutdown and restart, but also task manager, command-prompt, control panel, screen saver, run and additionally lets you set a timer to execute the available commands at a certain time:

Furthermore, System Control appeals with its high level of customisation. Download on

Create a Self-signed SSL Certificate on Windows

SSL (Secure Socket Layer) is used for encryption and decryption, processing of S/MIME signed or encrypted mails, generation of certificates and more. To use it on Windows (32 and 64 bit versions), download the OpenSSL tools from
Uncompress it anywhere you like and start it by double-clicking the openssl.exe executable in the \bin folder.

If you create files with OpenSSL, they will appear in the \bin directory by default.
To create a self-signed SSL certificate, you first need a key. Create it like this:

genrsa -des3 -out server.key 4096

Type in your desired key (password) and confirm it. Next, you need a certificate request. Create it as follows and give the path to the config file in the -config option (it should be in the directory where you unpacked the files to):

req -config C:\path\to\openssl.cnf -new -key server.key -out server.csr

Next, sign the certificate request:

x509 -req -days 365 -in server.csr -signkey server.key -out server.crt

The -days option specifies how long the certificate will be valid - mine will be for one year. Now you have a signed certificate.
However if you want to use it with programs as Thunderbird or similar, you will need the certificate to be in the .p12 format. To accomplish this, enter following:

pkcs12 -export -in server.crt -inkey server.key -name "Your Full Name" -out server.p12

Tag Your Soundfiles Fast with Mp3Tag (Windows)

Mp3Tag is a program on Windows that lets you import the most common sound files you have got on your computer and quickly change their tags like artist, name etc. It is that fast because it enables you to select a whole group of items at once and change the tags they have in common in one action.

Download Mp3Tag on

Follow the installation instructions and start the program:

Select the files to tag by either dragging and dropping them on the white item panel or selecting a directory in the system panel. After each tag action, save the current file state. Mp3Tag is able to gather tags from various internet databases to help you get the correct information.

How to Call Functions in Powershell (Windows)

Functions in Powershell are called without any comma or parenthesis, although they are defined using them. The correct way to call a function with two variable parameters would be:

test $local1 $local2

The wrong way is:

test($local1, $local2)

If you put parentheses around your parameters, your input is treated as array and thus the processing might not run as you expect. If you want the input to be an array and to be converted to a string inside the function, use the out-string cmdlet. Type out-string -? for more information.

Timed Shutdown on Windows

You can time a shutdown on your computer easily by creating a short vbscript that contains either only the shutdown command, or a shutdown command with an integrated second timer. If you do not add a timer, you can also use Windows' Schedule Tasks function to have the computer shutdown at a specific time. The vbscript to shutdown looks like this:

Set objShell = wscript.CreateObject("wscript.Shell")"shutdown /s")

If you want a timer, add

/t xxx

to the quoted expression in the second line, where x is the number of seconds to count down. Enter this code into a notepad and save the file as .vbs. Do not save it as text file.