How do you convert a PNG file to a PDF file?

Some sites do not accept image files and they suggest a PDF format as acceptable.

There are more ways than one to do this.

1. There is an online tool here that you can use:

https://png2pdf.com/

While using this site, do not simply click the big green buttons but use this image as guid. Click Upload and Download buttons.

2. You can use Adobe Acrobat to Convert your Image. You can use the free trial of Acrobat

3. I just paste the image in a Word [Version 1808 Build 10730.20127document and save the Word document with a .pdf extension. You can paste multiple images + any text you like and create a single PDF.

How do you resize multiple images simultaneously?

Sometimes you are faced with resizing a bunch of images:

• Reduce the size of images to a level accepted by your application (perhaps the server does not accept anything more than a given size) or you can only upload a certain file size

• You want to save space (smartphones can capture HD images with very big files sizes).  

Application like Photoshop can do this, but you can use Photo Gallery on your Windows 10 machine to do the same.

Photo Gallery is a desktop app that you can download from the Windows Store.

PhotoGal_00

In my Desktop I have a folder with 64 jpg items with item sizes ranging from 2780 KB to 5072 KB with a total folder size of 234 MB

resizeLarger_01

I bring up and choose all images in this folder in Photo Gallery as shown.

PhotoGal_01

I click EDIT and Resize as shown.

PhotoGal_02

The Photo Gallery Resize dialog is displayed where you can choose the size from the drop-down list.

PhotoGal_03

I choose size 640 and browse and save it to my presently empty folder named Larger_resized.

I then click Resize and save button. In couple of seconds it is done.
The total file size is now 10.3 MB

resizeGal_02

The individual JPGs were from 177Kb to 201KB

The Photo Gallery did an excellent job!

Is there a tool to convert an image file to a picture file with.ico extension?

I am sure there are quite a few if you look in the Internet.

This site has a 3 step online program to convert pictures into .ico format.
http://www.pic2icon.com/format_conversion.php