Step 1:
Open your document in Google docs, then drag & drop your preferred image into the document or go to insert, then image and click on Upload from computer.
Step 2:
Select the image and press CTRL + X to cut the image from the document.
Step 3:
Now click on the Insert menu and navigate to Drawing and click New to open a Drawing image editor. (Refer to the below image)
Step 4:
Once the Drawing image editor is opened, press CTRL + V to paste the image.
Step 5:
Finally, Click on Actions and navigate to Rotate, then hover on rotate to access flip and rotate functionalities. (Refer to the below image)
Now you can flip your image using either Flip horizontally or Flip vertically. Finally, click save and close to transfer the edited image directly to your document in Google docs.
The right side of the image will become its left and vise versa.
The top side of the image will be come its bottom and vice versa.
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