Step 1: Install the software shown below and open it. Click the Add Watermark button on the left ribbon to enter the next operation.

Step 2: Click the Add File button to import all the pictures that need to be added with logo into the software, or drag the pictures into the software.

The third step, followed by the key setting link, the watermark type is "picture watermark"; Next, upload the logo to the software; Then adjust the transparency, size ratio and position of the logo watermark. You can preview the added effect at the top.

Step 4: After setting, you can click the Start Conversion button to start the software program, and then the software will automatically open a folder, and the pictures after adding the logo in batches will be saved in it.

The fifth step is to check the case effect, and the logo is added to each picture successfully, and the batch operation is successful.