IrfanView is a fast and compact image viewer/converter. The interface of IrfanView is clear and intuitive, which makes it easy with use for beginners and powerful for professionals. Besides, IrfanView enables you to change saved file size easily and quickly. Here is the instruction.

 

1. Open an image with IrfanView by clicking the “Open File” button.

2. Go to menu Image->Resize/Resample and reduce the image dimensions in pixels.

3. Go to menu File->Save as, choose JPG and save as new file.

4.Now you’ve successfully change the size of your image.

5. If you want to batch process many images, use File->Batch Conversion.

DjVu files were developed by AT&T in the mid-1990s to provide files of high-resolution images and text without the cumbersome file size of a normal high-resolution image file. It is a rare file format so that how to use it becomes an important question. Here is the instruction tell you how to convert Djvu files to PDF with IrfanView. IrfanView is a fast and compact image viewer/converter. The interface of IrfanView is clear and intuitive, which makes it easy with use for beginners and powerful for professionals.

1. Download and install IrfanViewfrom here:

http://www.filepuma.com/download/irfanview_4.38-6077/

2. Download and install IrfanView’s plugins from here:

www.irfanview.net

You’d better download the *.exe file of all plugins at once.

3. Run IrfanView and open the DjVu file you want to convert to a PDF format.

4. Click on “File” > “Save As” from top menu. Choose “PDF” from the file type dropdown menu. Choose a location to save your PDF file..

Skype is software that enables you to make free calls anywhere in the world. Skype uses P2P (peer-to-peer) technology to connect you with other users. It offers several features, including SkypeOut calling from Skype to regular and mobile phones worldwide, conference calling, and secure file transferring. Here is the instruction to tell you how to incorporate slides in Skype.

1. Download and install Skype from here:

http://www.filepuma.com/download/skype_7.1.0.105-8046/

2. Run Skype and select the person you want to show the slideshow to from your contacts list.

3. Click the “Call” button.

4. Get ready your slideshow. Click the “+” button at the bottom of the screen to start the slideshow.

5. Select “Share Screens” and click “Start” when asked whether you should start sharing your screen.

6. Now your contact could see every action on your screen. Start your slideshow.

7. Click “Stop Sharing” at the top right corner of the screen to end the screen-sharing.