How to trigger full screen using keyboard?

To make an image background transparent in Google Docs, follow the steps given below:

• Choose the image whose background you want to alter
• Tap on the Image icon and then select Recolor
• Click Set Transparent color
• Move the slider all the way to its right and then press OK. The background becomes transparent.

To save a Google Doc as a JPEG, follow the steps given below:

• Open your Google Docs file
• Click on File from the menu bar
• Choose Download from the drop-down menu
• Select JPEG as the file type and then just press the Save button.

To know if your AirPrint is enabled, you can check on Apple’s official site. Apple stores a list of all the AirPrint devices; if your device’s name is listed, it means that your device is enabled; otherwise, it's not.

To identify a GIF file, follow the steps given below:

• Go to the place where you have saved the file in your local system.
• Right click on the file.
• Go to Properties.
• There would be a section named ‘Type of File’ under General Properties. If the extension is.GIF, then it's a GIF file; otherwise, it's not.

To make a high-resolution jpeg follow the steps given below:

• Upload your JPEG file after logging into Pixlr.
• Select the layer from the menu by clicking the lock icon.
• Choose Files > Details > Transparency > and decide on Clarity.
• A slider appears that allows you to adjust the Clarity level appears.
• This would raise the resolution of the picture.
• To achieve the intended outcome, adjust the temperature, hue, and noise levels if the outcome does not satisfy you.