Below are guideline(s) to Resize an image :

1. in this tutorial, I use Photoshop for resizing images, Open your photoshop.

2. Click on File > Open to open your images

3. First open the “Standard” image

4. Click on File > Open to open your images again

5. Now open the images that you want to resize

6. Now you have 2 image

7. Click that cursor (Move tool V)

8. Click the image that you want to resize and drag to “standard” images

9. Now you can close this window

10. Click the layer image that you want to resize

11. That is 8 dot point (left top | top | top right | left | right | left bottom | bottom | right bottom). You can resize that image just like resize the window. (HINT: Press Shift + drag corner dot point). You can move that image to just drag and drop that image.

12. Now I press Shift + Drag the right bottom dot point and press Enter (HINT: Use Ctrl – to zoom out and Ctrl + for zoom in your images).

13. Now I press Shift + Drag the Right Top dot point and press Enter

14. Resize that image like step 13 and step 14 until images is covered

15. Finish!! Now we must Delete / Hide “standard” image.

16. Save your image click File > Safe For Web and pop up will open

17. Name your Image and save

18. Open your folder and check your images properties

EXPERT STEP (Remove white space)
Before

After

1.    Open standard-honey-lime-ice-jelly-images.jpg

2.    Use Rectangular Marque Tool

3.    Select that area and click Move Tool

4.    Drag left dot point like this and press enter

5.    Do it again for right side

6.    Save. You can see the different on your folder