The Best Free Image Editor - Paint.net:

Installation
Paint.net is the best free image editor, designed to be very easy to use and install.

It is recommended that all the latest system updates have been installed prior to installing paint.net. You can use the Windows Update tool to verify and install system updates by typing "Windows Update" into the search box in the Start Menu.

The installation process is very easy, just follow the steps below:

1. Go to https://getpaint.net/download.html and download the installer package.

2. Open the compressed folder by double-clicking the icon.

3. Right-click & Run as administrator the file paint.net...install.exe

4. Choose the installation method you prefer & Language and click Next to proceed.

5. Read the license agreement and if you agree click Next.

6. When the installation is complete, click Finish to exit the installer.

 

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Resize & Optimize Images for the Web with free image and photo editing software Paint.NET

If you want to post photos or images to your website you have to format them correctly for display on the web, and make them lightweight enough to load quickly in a web browser. For our example, let's say we want to post several images on a web page next to each other and we need to make them all the same height e.g. 555 pixels.

Step by Step:

1. Open Paint.NET.

2. Drag or open an image.

3. Click Image - Resize to open the Resize dialog box.

4. Select "Best Quality" for the "Resampling:" option.

5. Select the option "By absolute size:".

6. Check the "Maintain aspect ratio" checkbox.

7. Enter the "Width" or "Height" you want to change the image to.

8. In "Pixel size" section change the resolution value to "72" or "72.00".

9. Click "OK". Your image has been resized and now must be saved.

10. Select File - Save As.

11. Enter a name for your image.

12. Change the quality to 80% on the save configuration window.

13. Click "OK".

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